| Gattung | Titel | Komponist | Komponiert |
| Oper | Abessalom da Eteri [აბესალომ და ეთერი] | Sacharij Paliaschwili | 1918-19 |
| Oper | Abessalom und Eteri | Sacharij Paliaschwili | 1918-19 |
| Oper | Absalom and Eteri | Sacharij Paliaschwili | 1918-19 |
| Singspiel | Abu Hassan | Carl Maria von Weber | 1811, rev. 1812 und 1823 |
| Oper | Acis and Galatea | Jean-Baptiste Lully | 1686 |
| Oper | Acis et Galatée | Jean-Baptiste Lully | 1686 |
| Oper | Acis und Galatea | Jean-Baptiste Lully | 1686 |
| Oper | Adelia, o La figlia dell'arciere | Gaetano Donizetti | 1840 |
| Oper | Adelia, or The Archer's Daughter | Gaetano Donizetti | 1840 |
| Oper | Adelia, ou La Fille de l'archer | Gaetano Donizetti | 1840 |
| Oper | Adelia oder Die Tochter des Bogenschützen | Gaetano Donizetti | 1840 |
| Oper | Adelson and Salvini | Vincenzo Bellini | ? |
| Oper | Adelson e Salvini | Vincenzo Bellini | ? |
| Oper | Adelson et Salvini | Vincenzo Bellini | ? |
| Oper | Adelson und Salvini | Vincenzo Bellini | ? |
| Oper | Adriana Lecouvreur | Francesco Cilea | 1899-1902 |
| Operette | Adrienne | Walter Wilhelm Goetze | 1926 |
| Oper | Agnese di Hohenstaufen | Gaspare Luigi Pacifico Spontini | 1829 |
| Oper | Agnes von Hohenstaufen | Gaspare Luigi Pacifico Spontini | 1829 |
| Oper | Ağrı Dağı Efsanesi | Çetin Işıközlü | 1972 |
| Oper | Aida | Giuseppe Verdi | 1869-70 |
| Oper | Ainadamar | Osvaldo Golijov | 2003, rev. 2005 |
| Oper | A Kékszakállú herceg vára | Béla Bartók | 1911 |
| Oper | Akhénaton | Philip Glass | 1983 |
| Oper | Akhnaten | Philip Glass | 1983 |
| Bühnenmusik | Aladdin | Carl Nielsen | 1918-19 |
| Oper | Alarich, König der Goten | Agostino Steffani | 1687 |
| Oper | Alarico, King of the Visigoths | Agostino Steffani | 1687 |
| Oper | Alarico il Baltha cioè L'audace re de' gothi | Agostino Steffani | 1687 |
| Oper | Albert Herring | Benjamin Britten | 1946, rev. 1947 |
| Oper | Alceste | Christoph Willibald Gluck | 1767 |
| Oper | Alcyone | Marin Marais | 1705/06 |
| Oper | Aleko [Алеко] | Sergei Wassiljewitsch Rachmaninow | 1892 |
| Oper | Alessandro nell'Indie | Giovanni Pacini | 1824 |
| Oper | Alexander in India | Giovanni Pacini | 1824 |
| Oper | Alexander in Indien | Giovanni Pacini | 1824 |
| Oper | Ali-Baba oder Die vierzig Räuber | Luigi Cherubini | 1833 |
| Oper | Ali-Baba or The Forty Thieves | Luigi Cherubini | 1833 |
| Oper | Ali-Baba ou Les Quarante voleurs | Luigi Cherubini | 1833 |
| Oper | Alimelek oder Wirt und Gast | Giacomo Meyerbeer | 1813, rev. 1814 |
| Oper | Alina, Königin von Golconda | Gaetano Donizetti | 1828, rev. 1829 |
| Oper | Alina, Queen of Golconda | Gaetano Donizetti | 1828, rev. 1829 |
| Oper | Alina, regina di Golconda | Gaetano Donizetti | 1828, rev. 1829 |
| Singspiel | Ali Pascha von Janina oder Die Franzosen in Albanien | Albert Lortzing | 1823-24 |
| Oper | Alkestis | Rutland Boughton | 1920-22 |
| Oper | Alkmene | Giselher Klebe | 1959-61, rev. 1962 |
| Oper | Alma de Dios | José Serrano | 1907 |
| Oper | Alzira | Giuseppe Verdi | ? |
| Oper | Amadis des Gaules | Johann Christian Bach | 1779 |
| Oper | Amahl and the Night Visitors | Gian Carlo Menotti | 1951 |
| Oper | Amahl et les visiteurs de la nuit | Gian Carlo Menotti | 1951 |
| Oper | Amahl und die nächtlichen Besucher | Gian Carlo Menotti | 1951 |
| Oper | A Masked Ball | Giuseppe Verdi | 1857-58 |
| Oper | Amaya | Jesús Guridi | 1910-20 |
| Oper | A Midsummer Night's Dream | Benjamin Britten | 1960 |
| Oper | Anacréon ou L'Amour fugitif | Luigi Cherubini | 1803 |
| Oper | Anakreon oder Die flüchtige Liebe | Luigi Cherubini | 1803 |
| Musical | Anatevka | Jerry Bock | 1964 |
| Oper | An der schönen blauen Donau | Franz Hummel | 1994 |
| Oper | Andronico | Giuseppe Saverio Mercadante | 1821 |
| Oper | Aniara | Karl-Birger Blomdahl | 1958 |
| Oper | An Istrian wedding | Antonio Smareglia | 1894 |
| Oper | Anne Pedersdotter | Edvard Fliflet Bræin | 1971 |
| Oper | Apollo et Hyacinthus seu Hyacinthi Metamorphosis | Wolfgang Amadeus Mozart | 1767 |
| Oper | Apollo und Hyazinth | Wolfgang Amadeus Mozart | 1767 |
| Oper | A Quiet Place | Leonard Bernstein | 1983 |
| Oper | Arald | Nicolae Bretan | 1939 |
| Oper | Argenore | Wilhelmine Markgräfin von Bayreuth | 1740 |
| Oper | Ärger in Tahiti | Leonard Bernstein | 1952 |
| Oper | Arlecchino | Ferruccio Busoni | 1914-16 |
| Oper | Arminio | Heinrich Ignaz Franz Biber von Bibern | 1690-92 |
| Oper | Arnljot | Wilhelm Peterson-Berger | 1907-09 |
| Oper | Aroldo | Giuseppe Verdi | 1857 |
| Oper | Artaxerxes | Thomas Augustine Arne | 1762 |
| Oper | Ascanio in Alba | Wolfgang Amadeus Mozart | 1771 |
| Oper | Aschenbrödel | Nicolò Isouard | 1810 |
| Oper | Aschenputtel | Gioacchino Rossini | 1816-17 |
| Oper | Askanius in Alba | Wolfgang Amadeus Mozart | 1771 |
| Oper | Aslak Hetta | Armas Launis | 1922 |
| Oper | Assassinio nella cattedrale | Ildebrando Pizzetti | 1955-57 |
| Oper | Attila | Giuseppe Verdi | ? |
| Oper | Auferstehung | Franco Alfano | 1904 |
| Oper | Aufstieg und Fall der Stadt Mahagonny | Kurt Weill | 1930 |
| Oper | Aunt Simona | Ernst von Dohnányi | 1911-12 |
| Oper | Aurelian in Palmyr | Gioacchino Rossini | 1813 |
| Oper | Aureliano in Palmira | Gioacchino Rossini | 1813 |
| Oper | Aurélien à Palmyre | Gioacchino Rossini | 1813 |
| Oper | Aurora | E. T. A. Hoffmann | 1811/12 |
| Oper | A View from the Bridge | Renzo Rossellini | 1961 |
| Oper | Az ajtón kívül | Sándor Balassa | 1978 |
| Oper | Baal | Friedrich Cerha | 1974-80 |
| Operette | Balkanliebe | Rudolf Kattnigg | 1936 |
| Oper | Ballade im Moor | Richard Rodney Bennett | 1963 |
| Oper | Bánk Bán | Franz Erkel | 1851-60 |
| Oper | Banus Bánk | Franz Erkel | 1851-60 |
| Oper | Basi e bote | Riccardo Pick-Mangiagalli | 1919/20 |
| Oper | Beatrice Cenci | Berthold Goldschmidt | 1948-50 |
| Oper | Beatrice di Tenda | Vincenzo Bellini | 1833 |
| Oper | Béatrice et Bénédict | Hector Berlioz | 1860-62 |
| Oper | Beatrice von Tenda | Vincenzo Bellini | 1833 |
| Oper | Belfagor | Ottorino Respighi | 1921-22 |
| Oper | Belisa | Poul Rovsing Olsen | 1963-64 |
| Oper | Bélisaire | Gaetano Donizetti | 1835 |
| Oper | Belisario | Gaetano Donizetti | 1835 |
| Oper | Bellérophon | Jean-Baptiste Lully | 1678 |
| Bühnenmusik | Belsazars Gästabud | Jean Sibelius | 1906 |
| Bühnenmusik | Belshazzar's Feast | Jean Sibelius | 1906 |
| Oper | Benvenuto Cellini | Hector Berlioz | 1834-37, rev. 1852 |
| Oper | Benzin | Emil Nikolaus von Reznicek | 1928-29 |
| Oper | Betrothal in a Monastery | Sergei Sergejewitsch Prokofjew | 1940-41 |
| Oper | Bianca e Fernando alla Tomba di Carlo IV. Duca di Agrigento | Vincenzo Bellini | 1825 |
| Oper | Bianca und Fernando | Vincenzo Bellini | 1825 |
| Oper | Billy Budd | Benjamin Britten | 1951, rev. 1960 |
| Oper | Blond Eckbert | Judith Weir | 1993-94 |
| Operette | Boccaccio | Franz von Suppé | 1878/79 |
| Oper | Bojarynja Wera Scheloga [Боярыня Вера Шелога] | Nikolai Andrejewitsch Rimski-Korsakow | 1877-78 |
| Oper | Boris Godounov | Modest Petrowitsch Mussorgski | 1868-69, rev. 1871-72 |
| Oper | Boris Godunov | Modest Petrowitsch Mussorgski | 1868-69, rev. 1871-72 |
| Oper | Boris Godunow [Борис Годунов] | Modest Petrowitsch Mussorgski | 1868-69, rev. 1871-72 |
| Oper | Boris Goudenow oder Der durch Verschlagenheit erlangte Thron | Johann Mattheson | 1710 |
| Oper | Braniboři v Čechách | Bedřich Smetana | 1862-63 |
| Oper | Brunnen der Tränen | Osvaldo Golijov | 2003, rev. 2005 |
| Oper | Bűn és bűnhődés | Emil Petrovics | 1967-68 |
| Operette | Cagliostro in Wien | Johann (Sohn) Strauss | 1874-75 |
| Musical | Candide | Leonard Bernstein | 1956, rev. 1974 und 1989 |
| Oper | Caritea, regina di Spagna, ossia La morte di Don Alfonso, re di Portogallo | Giuseppe Saverio Mercadante | 1826 |
| Oper | Carlo di Borgogna | Giovanni Pacini | 1835 |
| Oper | Carmen | Georges Bizet | 1873-74 |
| Oper | Caterina Cornaro | Gaetano Donizetti | 1842-43, rev. 1845 |
| Oper | Cato in Utica | Johann Adolph Hasse | 1731 |
| Oper | Catone in Utica | Johann Adolph Hasse | 1731 |
| Oper | Cavalleria Rusticana | Pietro Mascagni | 1890 |
| Oper | Cecchina, or The Good-Natured Girl | Niccolò Piccinni | 1759-60 |
| Oper | Cendrillon | Nicolò Isouard | 1810 |
| Oper | Cendrillon ou la Bonté triomphante | Gioacchino Rossini | 1816-17 |
| Oper | Čert a Káča | Antonín Dvořák | 1898-99 |
| Oper | Čertova stěna | Bedřich Smetana | 1879-82 |
| Oper | Chowanschtschina [Хованщина] | Modest Petrowitsch Mussorgski | 1872-80 |
| Oper | Christoph Columbus | Darius Milhaud | 1928, rev. 1969/70 |
| Oper | Christophe Colomb | Darius Milhaud | 1928, rev. 1969/70 |
| Oper | Christopherus Columbus | Darius Milhaud | 1928, rev. 1969/70 |
| Oper | Chushingura | Shigeaki Saegusa | 1997 |
| Oper | Cinderella | Nicolò Isouard | 1810 |
| Oper | Cinderella, or Goodness Triumphant | Gioacchino Rossini | 1816-17 |
| Oper | Circe, the Sorceress | Pasquale Anfossi | 1788 |
| Oper | Ciro in Babilonia ossia La caduta di Baldassare | Gioacchino Rossini | 1812 |
| Oper | Clari | Jacques Fromental Halévy | 1828 |
| Oper | Cleofide | Johann Adolph Hasse | 1731 |
| Oper | Cleopatra e Cesare | Carl Heinrich Graun | 1742 |
| Oper | Cleopatra und Cäsar | Carl Heinrich Graun | 1742 |
| Oper | Cleophis | Johann Adolph Hasse | 1731 |
| Oper | Clotilde | Carlo Coccia | 1815 |
| Oper | Colas Breugnon | Dmitri Borissowitsch Kabalewski | 1936-38, rev. 1953 und 1968 |
| Oper | Colas Breugnon or The Craftsman of Clamecy | Dmitri Borissowitsch Kabalewski | 1936-38, rev. 1953 und 1968 |
| Oper | Comédie sur le pont | Bohuslav Martinů | 1935 |
| Oper | Comedy On The Bridge | Bohuslav Martinů | 1935 |
| Oper | Conchita | Riccardo Zandonai | 1909-11 |
| Oper | Corradino | Carlo Galante | 1991 |
| Oper | Corrado d'Altamura | Federico Ricci | 1841 |
| Oper | Così fan tutte | Wolfgang Amadeus Mozart | 1789/90 |
| Oper | Croesus | Reinhard Keiser | 1710, rev. 1730 |
| Singspiel | Cud mniemany, czyli Krakowiacy i Górale | Jan Stefani | 1794 |
| Oper | Cyrano de Bergerac | Eino Tamberg | 1974 |
| Oper | Cyrus à Babylone ou la Chute de Balthazar | Gioacchino Rossini | 1812 |
| Oper | Cyrus in Babylon, or The Downfall of Belshazzar | Gioacchino Rossini | 1812 |
| Oper | Cyrus in Babylonien | Gioacchino Rossini | 1812 |
| Oper | Dafne in Lauro | Johann Joseph Fux | 1714 |
| Oper | Dalibor | Bedřich Smetana | 1866-67 |
| Oper | Daniel Hjort | Selim Palmgren | 1910, rev. 1937 |
| Oper | Daphne | Richard Strauss | 1936-37 |
| Oper | Das eherne Pferd | Daniel-François-Esprit Auber | 1835 |
| Oper | Das Erdbeben in Chile | Ján Cikker | ? |
| Bühnenmusik | Das Fest Belsazars | Jean Sibelius | 1906 |
| Oper | Das Gespensterschloss | Stanisław Moniuszko | 1861-64 |
| Oper | Das Glöckchen des Eremiten | Louis Aimé Maillart | ? |
| Oper | Das goldene Kreuz | Ignaz Brüll | 1875 |
| Oper | Das Karpatenschloss | Philippe Hersant | 1989-92 |
| Oper | Das Käthchen von Heilbronn | Karl Martin Reinthaler | 1881 ? |
| Operette | Das Land des Lächelns | Franz Lehár | 1929 |
| Oper | Das Liebesverbot oder Die Novize von Palermo | Richard Wagner | 1834-36 |
| Oper | Das Mädchen aus Arles | Francesco Cilea | 1892-97, rev. 1898, 1910 und 1937 |
| Oper | Das Mädchen aus dem goldenen Westen | Giacomo Puccini | 1907-10, rev. 1912 |
| Oper | Das Mädchen aus Navarra | Jules Massenet | 1893-94 |
| Oper | Das Mädchen von Pskow | Nikolai Andrejewitsch Rimski-Korsakow | 1868-72, rev. 1876-78 und 1891/92 |
| Oper | Das Märchen vom Zaren Saltan | Nikolai Andrejewitsch Rimski-Korsakow | 1899-1900 |
| Oper | Das Nusch-Nuschi | Paul Hindemith | 1920 |
| Oper | Das Opfer | Winfried Zillig | 1937 |
| Oper | Das Rheingold | Richard Wagner | 1851-54 |
| Oper | Das schlaue Füchslein | Leoš Janáček | 1922-23, rev. 1924 |
| Oper | Das schöne Mädchen von Perth | Georges Bizet | 1866 |
| Oper | Das Spiel von Robin und Marion | Adam de la Halle | ? |
| Oper | Das Tal von Andorra | Jacques Fromental Halévy | 1848 |
| Oper | Das verratene Meer | Hans Werner Henze | 2003, rev. 2005 |
| Oper | Dead Souls | Rodion Konstantinowitsch Schtschedrin | 1966-77 |
| Oper | Death in Venice | Benjamin Britten | 1973 |
| Oper | Deceit Outwitted | Joseph Haydn | 1773 |
| Oper | Dekabristy [Декабристы] | Juri Alexandrowitsch Schaporin | 1920-53 |
| Oper | Demetrio, Re di Siria | Johann Simon Mayr | 1823 |
| Oper | Demetrio e Polibio | Gioacchino Rossini | 1806-10 |
| Oper | Démétrios et Polybe | Gioacchino Rossini | 1806-10 |
| Oper | Demetrius and Polybius | Gioacchino Rossini | 1806-10 |
| Oper | Demetrius und Polybius | Gioacchino Rossini | 1806-10 |
| Oper | Der Abendstern | Nicolae Bretan | 1921 |
| Oper | Der Alchymist | Louis Spohr | 1829/30 |
| Oper | Der Apotheker | Joseph Haydn | 1768 |
| Oper | Der arme Matrose | Darius Milhaud | 1926, rev. 1934 |
| Oper | Der Bajazzo | Ruggero Leoncavallo | 1892 |
| Oper | Der Bär | William Walton | 1965-67 |
| Oper | Der Barbier von Bagdad | Peter Cornelius | 1856-58 |
| Oper | Der Barbier von Sevilla | Gioacchino Rossini | 1815 |
| Oper | Der Bassgeiger zu Wörgl | Michael Haydn | ca. 1773-75 |
| Oper | Der Bauer ein Schelm | Antonín Dvořák | 1877? |
| Oper | Der Baum der Diana | Vicente Martín y Soler | 1787 |
| Oper | Der betrogene Kadi | Christoph Willibald Gluck | 1761 |
| Operette | Der Bettelstudent | Karl Millöcker | ? |
| Oper | Der blonde Eckbert | Judith Weir | 1993-94 |
| Oper | Der Cid | Peter Cornelius | 1860-65 |
| Oper | Der Dorfwahrsager | Jean-Jacques Rousseau | ? |
| Oper | Der Dybbuk | Lodovico Rocca | 1930 |
| Oper | Der Eigensinn der Damen | Gaspare Luigi Pacifico Spontini | 1796 |
| Singspiel | Der Elfenhügel | Friedrich Kuhlau | 1828 |
| Oper | Der erste Kaiser | Tan Dun | 2006 |
| Oper | Der Falke | Dmitri Stepanowitsch Bortnjanski | 1786 |
| Oper | Der ferne Klang | Franz Schreker | 1903-1910 |
| Operette | Der fidele Bauer | Leo Fall | ? |
| Oper | Der fliegende Holländer | Richard Wagner | 1840-1841, rev. 1860 |
| Oper | Der Freischütz | Carl Maria von Weber | 1820 |
| Oper | Der geduldige Sokrates | Georg Philipp Telemann | 1720 |
| Singspiel | Der geliebte Adonis | Reinhard Keiser | 1697 |
| Oper | Der gestiefelte Kater | Xavier Montsalvatge | 1974 ? |
| Oper | Der goldene Hahn | Nikolai Andrejewitsch Rimski-Korsakow | 1906-07 |
| Operette | Der Graf von Luxemburg | Franz Lehár | 1909 |
| Oper | Der Hebräer | Giuseppe Apolloni | ? |
| Oper | Der Heidenkönig | Siegfried Wagner | 1913 |
| Oper | Der heilige Berg | Christian Sinding | 1912 |
| Oper | Der hochmütige, gestürzte und wieder erhabene Croesus | Reinhard Keiser | 1710, rev. 1730 |
| Oper | Der Igel als Bräutigam | Cesar Bresgen | 1948, rev. 1951 und 1980 |
| Oper | Der Jahrmarkt von Sorotschintzi | Modest Petrowitsch Mussorgski | 1874-80 |
| Oper | Der Kapellmeister | Ferdinando Paër | 1821 |
| Oper | Der König Kandaules | Alexander von Zemlinsky | 1935-39 |
| Oper | Der König von Lahore | Jules Massenet | 1871-77 |
| Oper | Der König von Ys | Édouard Lalo | 1875-87 |
| Oper | Der Korsar | Giuseppe Verdi | ? |
| Oper | Der Kreidekreis | Alexander von Zemlinsky | 1930-32 |
| Oper | Der Kreuzritter in Ägypten | Giacomo Meyerbeer | 1823-24, rev. 1825 |
| Oper | Der Kuckuck von Theben | Ermanno Wolf-Ferrari | 1938-43 |
| Operette | Der lachende Ehemann | Edmund Eysler | 1913 |
| Oper | Der letzte Tag von Pompeji | Giovanni Pacini | 1825 |
| Oper | Der Liebestrank | Gaetano Donizetti | 1832 |
| Oper | Der Magier | Jules Massenet | 1891 |
| Oper | Der Mann Mose | Felicitas Kukuck | 1986 |
| Oper | Der Mantel | Giacomo Puccini | 1913-16 |
| Operette | Der Mikado oder Ein Tag in Titipu | Arthur Sullivan | 1880-85 ? |
| Oper | Der Pirat | Vincenzo Bellini | 1827 |
| Oper | Der portugiesische Gasthof | Luigi Cherubini | 1798 |
| Oper | Der Postillon von Lonjumeau | Charles Adolphe Adam | 1836 |
| Oper | Der Rattenfänger von Hameln | Nicolas Flagello | 1970 |
| Oper | Der Raub der Lukretia | Benjamin Britten | 1946, rev. 1947 |
| Oper | Der reine Tor | Gustav Holst | 1918-22 |
| Oper | Der Reitersmann | Aulis Sallinen | 1973-74 |
| Oper | Der Ring des Polykrates | Erich Wolfgang Korngold | 1913-14 |
| Oper | Der Ritter und der Drache | Mikko Heiniö | 1999-2000 |
| Oper | Der schönste Name | Antonio Caldara | 1708 |
| Oper | Der Schornsteinfeger | Marcos Portugal | 1794 |
| Oper | Der Schulmeister in Verlegenheit | Gaetano Donizetti | 1823-24, rev. 1826 |
| Oper | Der schwarze Domino | Daniel-François-Esprit Auber | ? |
| Oper | Der Schwur | Giuseppe Saverio Mercadante | 1837 |
| Oper | Der singende Baum | Erik Valdemar Bergman | 1988 |
| Oper | Der stille Don | Iwan Iwanowitsch Dserschinski | 1935 |
| Oper | Der Stumme im Kloster oder Die singenden Klarissinnen | János Komives | 1993/94 |
| Oper | Der Sturm | Henry Purcell | 1695 |
| Oper | Der Tempelritter | Otto Nicolai | 1839-40, rev. 1845 |
| Oper | Der Tod in Venedig | Benjamin Britten | 1973 |
| Oper | Der Traumgörge | Alexander von Zemlinsky | 1904-06 |
| Oper | Der Troubadour | Giuseppe Verdi | 1852 |
| Oper | Der unsterbliche Kaschtschej | Nikolai Andrejewitsch Rimski-Korsakow | 1901-02, rev. 1906 |
| Oper | Der Vampyr | Heinrich August Marschner | 1828 |
| Oper | Der verliebte Bruder | Giovanni Battista Pergolesi | 1732 |
| Oper | Der verliebte Herkules | Francesco Cavalli | 1662 |
| Oper | Der verlorene Köcher | Sebastiano Moratelli | um 1690 |
| Oper | Der verlorene Sohn | Amilcare Ponchielli | 1880 |
| Operette | Der Vetter aus Dingsda | Eduard Künneke | 1921 |
| Singspiel | Der vierjährige Posten | Franz Schubert | 1815 |
| Oper | Der Waffenschmied | Albert Lortzing | 1845/46 |
| Oper | Der Wildschütz | Albert Lortzing | 1842 |
| Oper | Der Wojewode | Peter Iljitsch Tschaikowski | 1867/68 |
| Oper | Der Zar lässt sich photographieren | Kurt Weill | 1927 |
| Operette | Der Zigeunerbaron | Johann (Sohn) Strauss | 1885 |
| Oper | Der Zimmermann von Livland oder Peter der Große, Zar von Russland | Gaetano Donizetti | 1819 |
| Oper | Der Zwerg oder Der Geburtstag der Infantin | Alexander von Zemlinsky | 1920-21 |
| Oper | Desire Under the Elms | Edward Thomas | 1978 ? |
| Oper | Det sjungande trädet | Erik Valdemar Bergman | 1988 |
| Oper | Dido and Aeneas | Henry Purcell | 1688 |
| Oper | Didone abbandonata | Niccolò Jommelli | 1745 |
| Oper | Dido und Aeneas | Henry Purcell | 1688 |
| Oper | Die Abencerragen oder Das Feldpanier von Granada | Luigi Cherubini | 1813 |
| Oper | Die Abreise | Eugen d'Albert | 1898 |
| Oper | Die Afrikanerin | Giacomo Meyerbeer | 1843-1864 |
| Singspiel | Die beiden Pädagogen | Felix Mendelssohn Bartholdy | 1821 |
| Oper | Die beiden Savoyarden | Nicolas-Marie Dalayrac | 1789 |
| Oper | Die beiden Schützen | Albert Lortzing | 1835 |
| Oper | Die beiden Tage oder Der Wasserträger | Luigi Cherubini | 1799-1800 |
| Operette | Die Blume von Hawaii | Paul Abraham | 1931 |
| Oper | Die blutige Nonne | Charles François Gounod | 1852-54 |
| Oper | Die Bohème | Giacomo Puccini | 1893-95 |
| Oper | Die Bojarin Wera Scheloga | Nikolai Andrejewitsch Rimski-Korsakow | 1877-78 |
| Oper | Die Brandenburger in Böhmen | Bedřich Smetana | 1862-63 |
| Oper | Die Brautleute | Amilcare Ponchielli | 1856, rev. 1872 |
| Oper | Die Braut von Messina | Zdeněk Fibich | 1882-83 |
| Oper | Die Capulets und die Montagues | Vincenzo Bellini | ? |
| Oper | Die Chinesinnen | Christoph Willibald Gluck | 1735, rev. 1754 |
| Operette | Die Csárdásfürstin | Emmerich Kálmán | 1914-15 |
| Oper | Die Dekabristen | Juri Alexandrowitsch Schaporin | 1920-53 |
| Oper | Die Dickschädel | Antonín Dvořák | 1874 |
| Oper | Die Drehung der Schraube | Benjamin Britten | 1954 |
| Oper | Die Dreigroschenoper | Kurt Weill | 1928 |
| Oper | Die eheliche Liebe | Johann Simon Mayr | 1804-05 |
| Singspiel | Die Entführung aus dem Serail | Wolfgang Amadeus Mozart | 1781-82 |
| Oper | Die Eroberung von Granada | Emilio Arrieta | 1850 |
| Oper | Die Feen | Richard Wagner | 1833, rev. 1834 |
| Oper | Die Fenster | Ferruccio Busoni | 1914-16 |
| Oper | Die Flamme | Ottorino Respighi | 1931-33 |
| Operette | Die Fledermaus | Johann (Sohn) Strauss | 1874 |
| Oper | Die Frauen der Toten | Alois Bröder | 2008-10 |
| Oper | Die Fremde | Vincenzo Bellini | 1828 |
| Singspiel | Die Freunde von Salamanka | Franz Schubert | 1815 |
| Oper | Die Fürsten Chowanski | Modest Petrowitsch Mussorgski | 1872-80 |
| Oper | Die Gans von Kairo | Wolfgang Amadeus Mozart | 1783 |
| Oper | Die Gefangene von Edinburgh | Federico Ricci | 1838 |
| Operette | Die gefiederte Schlange | Léo Delibes | 1864 |
| Oper | Die Geierwally | Alfredo Catalani | 1892 |
| Operette | Die gelbe Prinzessin | Camille Saint-Saëns | 1871/72 |
| Oper | Die großmütige Tomyris | Reinhard Keiser | 1717 |
| Oper | Die Heilige der Bleeker Street | Gian Carlo Menotti | 1954 |
| Oper | Die Heimkehr aus der Fremde | Felix Mendelssohn Bartholdy | 1829 |
| Oper | Die heimliche Ehe | Domenico Cimarosa | 1792 |
| Oper | Die Herren von Ekebù | Riccardo Zandonai | 1923-24 |
| Oper | Die Hochzeit auf der Alm | Michael Haydn | 1768 ? |
| Oper | Die Hochzeit des Figaro | Wolfgang Amadeus Mozart | 1786 |
| Oper | Die Hugenotten | Giacomo Meyerbeer | 1836 |
| Oper | Die indianische Königin | Henry Purcell | 1695 |
| Oper | Die Italienerin in Algier | Gioacchino Rossini | 1813 |
| Oper | Die Italienerin in London | Domenico Cimarosa | ? |
| Oper | Die Jüdin | Jacques Fromental Halévy | 1834-35 |
| Oper | Die Jungfrau von Orleans | Peter Iljitsch Tschaikowski | 1878-79 |
| Oper | Die Karavane von Kairo | André-Ernest-Modeste Grétry | 1783 |
| Operette | Die keusche Susanne | Jean Gilbert | 1910 |
| Oper | Die Königin von Cornwall | Rutland Boughton | 1923-24 |
| Oper | Die Königin von Saba | Karl Goldmark | 1866-71 |
| Singspiel | Die Krakowiter und die Bergbauern | Jan Stefani | 1794 |
| Oper | Die Krönung der Poppea | Claudio Monteverdi | 1642 |
| Oper | Die Launen und Einfälle Callots | Gian Francesco Malipiero | 1941-42 |
| Oper | Die Legende vom Berg Ararat | Çetin Işıközlü | 1972 |
| Oper | Die Legende von der unsichtbaren Stadt Kitesch und der Jungfrau Fewronia | Nikolai Andrejewitsch Rimski-Korsakow | 1903-04 |
| Oper | Die letzten Tage von Thule | Georg Wilhelm Rauchenecker | 1889 |
| Oper | Die Liebe der drei Könige | Italo Montemezzi | ca. 1910-13 |
| Oper | Die Liebschaften der Ragonde oder Der Polterabend auf dem Dorf | Jean-Joseph Mouret | 1714 |
| Oper | Die Litauer | Amilcare Ponchielli | 1874, rev. 1875 |
| Operette | Die lockende Flamme | Eduard Künneke | 1933 |
| Oper | Die Lombarden | Giuseppe Verdi | ? |
| Operette | Die lustige Witwe | Franz Lehár | 1905 |
| Oper | Die Macht des Schicksals | Giuseppe Verdi | ? |
| Oper | Die Mainacht | Nikolai Andrejewitsch Rimski-Korsakow | 1878-79 |
| Oper | Die Mauren von Valencia | Amilcare Ponchielli | 1873-75 |
| Oper | Die Medici | Ruggero Leoncavallo | 1893 |
| Oper | Die Meistersinger von Nürnberg | Richard Wagner | 1845-67 |
| Oper | Die Metamorphosen des Dionysos | Mikis Theodorakis | 1984-85 |
| Oper | Die Nachtigall | Igor Fjodorowitsch Strawinski | 1908-14 |
| Oper | Die Nachtwandlerin | Vincenzo Bellini | ? |
| Oper | Die Normannen in Paris | Giuseppe Saverio Mercadante | 1832 |
| Oper | Die Nürnberger Puppe | Charles Adolphe Adam | 1852 |
| Oper | Die Oresteia | Sergei Iwanowitsch Tanejew | 1887-94 |
| Oper | Die Ostbottnier | Leevi Madetoja | 1918-23 |
| Operette | Die Perlen der Cleopatra | Oscar Straus | ? |
| Oper | Die Perlenfischer | Georges Bizet | 1863 |
| Oper | Die Propheten des Jüngsten Gerichts | Wilhelm Peterson-Berger | 1912-17 |
| Oper | Die Puritaner | Vincenzo Bellini | ? |
| Oper | Die Räuber | Giuseppe Verdi | ? |
| Oper | Die Regimentstochter | Gaetano Donizetti | 1839 |
| Oper | Die Rose vom Liebesgarten | Hans Pfitzner | 1897-1900 |
| Bühnenmusik | Die Ruinen von Athen | Ludwig van Beethoven | 1811 |
| Zarzuela | Die Safranrose | Jacinto Guerrero | 1930 |
| Oper | Die Schlacht von Legnano | Giuseppe Verdi | 1848-49 |
| Oper | Die Schneider von Schönau | Jan Willem Frans Brandts-Buys | 1916 |
| Operette | Die schöne Galathee | Franz von Suppé | 1865 |
| Operette | Die schöne Helena | Jacques Offenbach | 1864 |
| Oper | Die schwarze Spinne | Heinrich Sutermeister | 1936 |
| Oper | Die Schweizer Familie | Joseph Weigl | 1809 |
| Oper | Die seidene Leiter | Gioacchino Rossini | 1812 |
| Oper | Die Sichel | Alfredo Catalani | 1875 |
| Oper | Die sizilianische Vesper | Giuseppe Verdi | ? |
| Oper | Die Soldaten | Bernd Alois Zimmermann | 1965 |
| Oper | Die Spinnstube | Zoltán Kodály | 1924-32 |
| Operette | Die Straßensängerin | Jacques Offenbach | 1868, rev. 1874 |
| Oper | Die Stumme von Portici | Daniel-François-Esprit Auber | 1828 |
| Oper | Die Teufelskäthe | Antonín Dvořák | 1898-99 |
| Oper | Die Teufelswand | Bedřich Smetana | 1879-82 |
| Oper | Die toten Augen | Eugen d'Albert | 1912/13 |
| Oper | Die Trojaner | Hector Berlioz | 1856-58, rev. 1859/60 |
| Operette | Die ungarische Hochzeit | Nico Dostal | 1938 |
| Oper | Die verlassene Dido | Niccolò Jommelli | 1745 |
| Oper | Die Verlobung im Kloster | Sergei Sergejewitsch Prokofjew | 1940-41 |
| Singspiel | Die Verschworenen | Franz Schubert | 1823 |
| Oper | Die versunkene Glocke | Ottorino Respighi | 1924-27 |
| Oper | Die Vestalin | Giuseppe Saverio Mercadante | 1840 |
| Oper | Die Vögel | Walter Braunfels | 1913-19 |
| Oper | Die wahre Geschichte | Luciano Berio | 1982 |
| Oper | Die Walküre | Richard Wagner | 1851-56 |
| Oper | Die wandernden Komödianten | François Devienne | 1798 |
| Oper | Die weiße Dame | François-Adrien Boieldieu | 1825 |
| Oper | Die Willis | Giacomo Puccini | 1884, rev. 1884, 1885 und 1889 |
| Oper | Die Witwe von Ephesus | Hermann Reutter | 1954, rev. 1966 |
| Oper | Die Zarenbraut | Nikolai Andrejewitsch Rimski-Korsakow | 1898 |
| Oper | Die Zauberflöte | Wolfgang Amadeus Mozart | 1791 |
| Oper | Die Zauberin | Peter Iljitsch Tschaikowski | 1885-87 |
| Oper | Die Zauberin Kirke | Pasquale Anfossi | 1788 |
| Oper | Die Zigeunerin / Das Zigeunermädchen | Michael William Balfe | 1843 |
| Singspiel | Die Zwillingsbrüder | Franz Schubert | 1819 |
| Oper | Dimitrij | Antonín Dvořák | 1881/82, rev. 1883 und 1885 |
| Oper | Dinorah oder Die Wallfahrt nach Ploërmel | Giacomo Meyerbeer | 1859 |
| Oper | Dinorah or The Pardon of Ploërmel | Giacomo Meyerbeer | 1859 |
| Oper | Dinorah ou le Pardon de Ploërmel | Giacomo Meyerbeer | 1859 |
| Oper | Dinorah ou Le Pardon de Ploërmel | Giacomo Meyerbeer | 1859 |
| Oper | Divara - Wasser und Blut | Azio Corghi | 1993 |
| Oper | Divara - Water and Blood | Azio Corghi | 1993 |
| Oper | Djamileh | Georges Bizet | 1871 |
| Oper | Döbeln | Sebastian Fagerlund | 2008-09 |
| Oper | Dobrynia Nikititch | Alexander Tichonowitsch Gretschaninow | 1895-1901 |
| Oper | Dobrynja Nikititsch [Добрыня Никитич] | Alexander Tichonowitsch Gretschaninow | 1895-1901 |
| Oper | Dobrynya Nikitich | Alexander Tichonowitsch Gretschaninow | 1895-1901 |
| Oper | Doktor Faust | Ferruccio Busoni | 1916-24 |
| Oper | Dolly | Charles Adolphe Adam | 1852 |
| Oper | Domedagsprofeterna | Wilhelm Peterson-Berger | 1912-17 |
| Oper | Don Carlos (1867) | Giuseppe Verdi | ? |
| Oper | Don Giovanni | Wolfgang Amadeus Mozart | 1787 |
| Oper | Don Giovanni, o sia Il convitato di pietra | Giuseppe Gazzaniga | 1786-87 ? |
| Oper | Don Giovanni oder Der steinerne Gast | Giuseppe Gazzaniga | 1786-87 ? |
| Oper | Don Giovanni or The Stone Guest | Giuseppe Gazzaniga | 1786-87 ? |
| Oper | Donna Caritea | Giuseppe Saverio Mercadante | 1826 |
| Oper | Don Pasquale | Gaetano Donizetti | 1842 |
| Oper | Doubrovski | Eduard Franzewitsch Nápravník | 1894 |
| Oper | Draußen vor der Tür | Sándor Balassa | 1978 |
| Oper | Drot og Marsk | Peter Heise | 1875-77 |
| Oper | Dubrovsky | Eduard Franzewitsch Nápravník | 1894 |
| Oper | Dubrowski [Дубровский] | Eduard Franzewitsch Nápravník | 1894 |
| Oper | Duke Bluebeard's Castle | Béla Bartók | 1911 |
| Oper | Echnaton | Philip Glass | 1983 |
| Oper | Echo and Narcissus | Christoph Willibald Gluck | 1778-79, rev. 1780 |
| Oper | Écho et Narcisse | Christoph Willibald Gluck | 1778-79, rev. 1780 |
| Oper | Echo und Narziss | Christoph Willibald Gluck | 1778-79, rev. 1780 |
| Oper | Ecuba | Nicola Manfroce | 1812 |
| Oper | Edgar | Giacomo Puccini | 1885-89, rev. 1891 und 1905 |
| Bühnenmusik | Edipo a Colono | Gioacchino Rossini | 1817 |
| Oper | Edmea | Alfredo Catalani | 1886 |
| Oper | Edméa | Alfredo Catalani | 1886 |
| Bühnenmusik | Egmont | Ludwig van Beethoven | 1809-10 |
| Oper | Ein Blick von der Brücke | Renzo Rossellini | 1961 |
| Oper | Eine florentinische Tragödie | Alexander von Zemlinsky | 1915-16 |
| Operette | Eine Nacht in Venedig | Johann (Sohn) Strauss | 1882-83 |
| Oper | Ein Engel kommt nach Babylon | Rudolf Kelterborn | 1975-76 |
| Oper | Eine Seele von Mensch | José Serrano | 1907 |
| Oper | Ein König horcht | Luciano Berio | 1984 |
| Oper | Ein Liebesbrief von Lord Byron | Raffaello de Banfield | 1955 |
| Oper | Ein Maskenball | Giuseppe Verdi | 1857-58 |
| Oper | Ein Sommernachtstraum | Benjamin Britten | 1960 |
| Oper | Ein stiller Platz | Leonard Bernstein | 1983 |
| Oper | Ekkehard | Johann Josef Abert | 1878 |
| Oper | Elektra | Richard Strauss | 1906-08 |
| Oper | Elena and Costantino | Ramon Carnicer | 1821 |
| Oper | Elena da Feltre | Giuseppe Saverio Mercadante | 1837-38 |
| Oper | Elena e Costantino | Ramon Carnicer | 1821 |
| Oper | Elena und Costantino | Ramon Carnicer | 1821 |
| Oper | El Gato con Botas | Xavier Montsalvatge | 1974 ? |
| Oper | Elisabeth, Königin von England | Gioacchino Rossini | 1815 |
| Oper | Élisabeth, reine d'Angleterre | Gioacchino Rossini | 1815 |
| Oper | Elisabetta, regina d'Inghilterra | Gioacchino Rossini | 1815 |
| Oper | Elizabeth, Queen of England | Gioacchino Rossini | 1815 |
| Singspiel | Elverhøj | Friedrich Kuhlau | 1828 |
| Oper | Emilia di Liverpool | Gaetano Donizetti | 1824, rev. 1827 |
| Oper | Emilia of Liverpool | Gaetano Donizetti | 1824, rev. 1827 |
| Oper | Emma d'Antiochia | Giuseppe Saverio Mercadante | vor 1834 |
| Oper | Enrico | Manfred Trojahn | 1989-91 |
| Oper | Enrico Leone | Agostino Steffani | 1689 |
| Oper | Ercole amante | Francesco Cavalli | 1662 |
| Oper | Erindo oder Die unsträfliche Liebe | Johann Sigismund Kusser | 1694 |
| Oper | Ernani | Giuseppe Verdi | 1844 |
| Oper | Ero e Leandro | Luigi Mancinelli | 1896 |
| Singspiel | Erwin and Elmire | Anna Amalia von Sachsen-Weimar-Eisenach | 1776 |
| Singspiel | Erwin et Elmire | Anna Amalia von Sachsen-Weimar-Eisenach | 1776 |
| Singspiel | Erwin und Elmire | Anna Amalia von Sachsen-Weimar-Eisenach | 1776 |
| Oper | Esclarmonde | Jules Massenet | ? |
| Oper | Estrella de Soria | Franz Adolf Berwald | 1841-48, rev. 1861 |
| Oper | Eugene Onegin | Peter Iljitsch Tschaikowski | 1878 |
| Oper | Eugène Onéguine | Peter Iljitsch Tschaikowski | 1878 |
| Oper | Eugen Onegin | Peter Iljitsch Tschaikowski | 1878 |
| Oper | Euridice | Jacopo Peri | 1600 |
| Oper | Europera | John Cage | 1987/1990 |
| Oper | Euryanthe | Carl Maria von Weber | 1823, rev. 1825 |
| Oper | Falstaff | Giuseppe Verdi | ? |
| Oper | Faramondo | Georg Friedrich Händel | 1737 |
| Oper | Faust (1813) | Louis Spohr | 1813 |
| Oper | Fedra | Giovanni Paisiello | 1787 |
| Oper | Feramors | Anton Grigorjewitsch Rubinstein | 1891-62 |
| Oper | Ferdinand Cortez oder Die Eroberung von Mexiko | Gaspare Luigi Pacifico Spontini | 1809 |
| Oper | Fernand Cortez ou La Conquête de Mexique | Gaspare Luigi Pacifico Spontini | 1809 |
| Oper | Fernando Cortez or The Conquest of Mexico | Gaspare Luigi Pacifico Spontini | 1809 |
| Oper | Fervaal | Vincent d'Indy | 1889-95 |
| Musical | Fiddler on the Roof | Jerry Bock | 1964 |
| Oper | Fidelio | Ludwig van Beethoven | 1804-14 |
| Oper | Fierrabras | Franz Schubert | 1823 |
| Oper | Flammen | Franz Schreker | 1901-02 |
| Oper | Flavius Bertaridus, König der Longobarden | Georg Philipp Telemann | 1729 |
| Operette | Fleur d'Hawaï | Paul Abraham | 1931 |
| Oper | Florencia auf dem Amazonas | Daniel Catán | 1996 |
| Oper | Florencia en el Amazonas | Daniel Catán | 1996 |
| Oper | Fosca | Antônio Carlos Gomes | 1873, rev. 1878 |
| Oper | Fountain of Tears | Osvaldo Golijov | 2003, rev. 2005 |
| Oper | Four Saints in Three Acts | Virgil Thomson | 1927-28 |
| Oper | Fra Diavolo | Daniel-François-Esprit Auber | ? |
| Oper | Francesca da Rimini | Riccardo Zandonai | 1912-13 |
| Oper | Francesca da Rimini [Франческа да Римини] | Sergei Wassiljewitsch Rachmaninow | 1900-05 |
| Oper | Françoise de Rimini | Riccardo Zandonai | 1912-13 |
| Operette | Frau Luna | Paul Lincke | 1899 |
| Oper | Frau Schlange | Alfredo Casella | 1928-31 |
| Oper | Fredigundis | Franz Schmidt | 1916-21 |
| Oper | Friedenstag | Richard Strauss | 1935-36 |
| Oper | Frühlingsnacht | Gerhard Rosenkrone Schjelderup | 1905 |
| Oper | Fürst Igor | Alexander Porfirjewitsch Borodin | 1869-87 |
| Oper | Gelegenheit macht Diebe | Gioacchino Rossini | 1812 |
| Oper | Genoveva | Robert Schumann | 1847-50 |
| Oper | Genoveva von Schottland | Johann Simon Mayr | 1801 |
| Oper | Georges le rêveur | Alexander von Zemlinsky | 1904-06 |
| Oper | Gianni Schicchi | Giacomo Puccini | 1917-18 |
| Oper | Gier unter Ulmen | Edward Thomas | 1978 ? |
| Oper | Gilgamesch | Per Nørgård | 1972 |
| Oper | Gilgamesh | Per Nørgård | 1972 |
| Oper | Ginevra di Scozia | Johann Simon Mayr | 1801 |
| Oper | Giovanna d'Arco | Giuseppe Verdi | ? |
| Musical | Girl Crazy | George Gershwin | 1930 |
| Operette | Giuditta | Franz Lehár | 1933 |
| Oper | Giulia and Sesto Pompeo | Carlo Soliva | 1818 |
| Oper | Giulia e Sesto Pompeo | Carlo Soliva | 1818 |
| Oper | Giulia et Sesto Pompeo | Carlo Soliva | 1818 |
| Oper | Giulia und Sesto Pompeo | Carlo Soliva | 1818 |
| Oper | Giulio Cesare | Gian Francesco Malipiero | 1934-35 |
| Oper | Gli dei a Tebe | Ermanno Wolf-Ferrari | 1938-43 |
| Oper | Gloriana | Benjamin Britten | 1953, rev. 1967 |
| Oper | Gogo no Eiko | Hans Werner Henze | 2003, rev. 2005 |
| Oper | Götterdämmerung | Richard Wagner | 1848-74 |
| Oper | Goya | Gian Carlo Menotti | 1986 |
| Oper | Grendel | Elliot Goldenthal | 2006 |
| Oper | Griffelkin | Lukas Foss | 1955 |
| Operette | Gül Baba | Jenő Huszka | 1905 |
| Oper | Gustaf Adolf and Ebba Brahe | Georg Joseph Vogler | 1786 |
| Oper | Gustaf Adolf et Ebba Brahe | Georg Joseph Vogler | 1786 |
| Oper | Gustaf Adolf och Ebba Brahe | Georg Joseph Vogler | 1786 |
| Oper | Gustaf Adolf und Ebba Brahe | Georg Joseph Vogler | 1786 |
| Oper | Gustaf Wasa | Johann Gottlieb Naumann | 1786 |
| Oper | Gwendoline | Emanuel Chabrier | 1886 |
| Oper | Hagith | Karol Szymanowski | 1912/13 |
| Oper | Halka | Stanisław Moniuszko | 1846-48, rev. 1857 |
| Oper | Hänsel und Gretel | Engelbert Humperdinck | 1893 |
| Oper | Hans Sachs | Albert Lortzing | 1839/40 |
| Bühnenmusik | Hassan | Frederick Delius | 1920-23 |
| Oper | Heinrich der Löwe | Agostino Steffani | 1689 |
| Oper | Hekuba | Nicola Manfroce | 1812 |
| Oper | Helen | Stanisław Moniuszko | 1846-48, rev. 1857 |
| Oper | Helena | Camille Saint-Saëns | 1903 |
| Oper | Hélène | Camille Saint-Saëns | 1903 |
| Oper | Hercule amoureux | Francesco Cavalli | 1662 |
| Oper | Hercules in Love | Francesco Cavalli | 1662 |
| Oper | Hero und Leander | Luigi Mancinelli | 1896 |
| Oper | Herzog Blaubarts Burg | Béla Bartók | 1911 |
| Oper | Hippodamias Tod | Zdeněk Fibich | 1891 |
| Oper | Hippodamia’s Death | Zdeněk Fibich | 1891 |
| Oper | Hoch in den Bergen | José Maria Usandizaga | ? |
| Operette | Hochzeit in Samarkand | Eduard Künneke | 1938 |
| Operette | Hochzeitsnacht im Paradies | Friedrich Schröder | 1942 |
| Oper | Holger, der Däne | Friedrich Ludwig Æmilius Kunzen | 1789 |
| Oper | Holger Danske | Friedrich Ludwig Æmilius Kunzen | 1789 |
| Oper | Holofernes | Emil Nikolaus von Reznicek | 1922 |
| Oper | Hulda | César Franck | 1879-1885 |
| Oper | Hunyadi László | Franz Erkel | 1841-43 |
| Oper | I capricci di Callot | Gian Francesco Malipiero | 1941-42 |
| Oper | I Capuleti e i Montecchi | Vincenzo Bellini | ? |
| Oper | I Cavalieri de Ekebù | Riccardo Zandonai | 1923-24 |
| Oper | Ich schaute an die Decke und dann sah ich den Himmel | John Adams | 1995 |
| Oper | Idoménée | André Campra | 1711-12, rev. 1731 |
| Oper | Idomeneus | André Campra | 1711-12, rev. 1731 |
| Oper | I due foscari | Giuseppe Verdi | ? |
| Oper | Il barbiere di Siviglia, ossia L'inutile precauzione | Gioacchino Rossini | 1815 |
| Oper | Il castello di Kenilworth | Gaetano Donizetti | 1829, rev. 1830 |
| Oper | Il Corsaro | Giuseppe Verdi | ? |
| Oper | Il crociato in Egitto | Giacomo Meyerbeer | 1823-24, rev. 1825 |
| Oper | Ildegonda | Melesio Morales | 1864 |
| Oper | Il Dibuk | Lodovico Rocca | 1930 |
| Oper | Il Falegname di Livonia ossia Pietro il Grande, Czar della Russia | Gaetano Donizetti | 1819 |
| Oper | Il figliuol prodigo | Amilcare Ponchielli | 1880 |
| Oper | Il giuramento | Giuseppe Saverio Mercadante | 1837 |
| Oper | I Lituani | Amilcare Ponchielli | 1874, rev. 1875 |
| Oper | Il matrimonio segreto | Domenico Cimarosa | 1792 |
| Oper | I Lombardi | Giuseppe Verdi | ? |
| Oper | Il pirata | Vincenzo Bellini | 1827 |
| Oper | Il più bel nome | Antonio Caldara | 1708 |
| Oper | Ilsebill | Friedrich Klose | 1902-03 |
| Oper | Il signor Bruschino, ossia Il figlio per azzardo | Gioacchino Rossini | 1812 |
| Oper | Il sogno di Scipione | Wolfgang Amadeus Mozart | 1772 |
| Oper | Il tabarro | Giacomo Puccini | 1913-16 |
| Oper | Il Telemaco nell'isola di Calipso | Fernando Sor | 1797 |
| Oper | Il Templario | Otto Nicolai | 1839-40, rev. 1845 |
| Oper | Il Teuzzone | Antonio Vivaldi | 1718-19 |
| Oper | Il trittico | Giacomo Puccini | 1916-18 |
| Oper | Il Trovatore | Giuseppe Verdi | 1852 |
| Oper | I Masnadieri | Giuseppe Verdi | ? |
| Oper | Im Brunnen | Vilém Blodek | 1866-67 |
| Oper | I Medici | Ruggero Leoncavallo | 1893 |
| Oper | I mori di Valenza | Amilcare Ponchielli | 1873-75 |
| Operette | Im Reiche des Indra | Paul Lincke | 1899 |
| Operette | Im weißen Rössl | Ralph Benatzky | 1930 |
| Oper | Ines de Castro | Giuseppe Persiani | 1834-35 |
| Oper | I normanni a Parigi | Giuseppe Saverio Mercadante | 1832 |
| Oper | In the Well | Vilém Blodek | 1866-67 |
| Oper | Iolanta [Иоланта] | Peter Iljitsch Tschaikowski | 1891 |
| Oper | Iona | Anatol Vieru | 1971-75 |
| Oper | Iphigeneia in Aulis | Christoph Willibald Gluck | 1774 |
| Oper | Iphigenia in Tauris | Christoph Willibald Gluck | 1779 |
| Oper | Iphigenie auf Tauris | Christoph Willibald Gluck | 1779 |
| Oper | Iphigénie en Aulide | Christoph Willibald Gluck | 1774 |
| Oper | Iphigénie en Tauride | Christoph Willibald Gluck | 1779 |
| Oper | Iphigenie in Aulis | Christoph Willibald Gluck | 1774 |
| Oper | I promesi sposi | Amilcare Ponchielli | 1856, rev. 1872 |
| Oper | I puritani | Vincenzo Bellini | ? |
| Oper | Irische Legende | Werner Egk | 1951-55, rev. 1969-71 |
| Oper | Irish Legend | Werner Egk | 1951-55, rev. 1969-71 |
| Oper | Irrelohe | Franz Schreker | 1919-22 |
| Oper | Isabeau | Pietro Mascagni | 1911 |
| Oper | Island-Saga | Georg Vollerthun | 1924 |
| Oper | Istrianische Hochzeit | Antonio Smareglia | 1894 |
| Oper | István Király | Franz Erkel | 1874-84 |
| Oper | Ivan IV | Georges Bizet | 1862-64, rev. 1864/65 |
| Oper | Ivan Soussanine | Michail Iwanowitsch Glinka | 1834-36 |
| Oper | Ivan Susanin | Michail Iwanowitsch Glinka | 1834-36 |
| Oper | Iwan der Schreckliche | Georges Bizet | 1862-64, rev. 1864/65 |
| Oper | Iwan Sergejewitsch Tarassenko | Franz Salmhofer | 1938 |
| Oper | Iwan Sussanin [Иван Сусанин] | Michail Iwanowitsch Glinka | 1834-36 |
| Oper | I was looking at the ceiling and then I saw the sky | John Adams | 1995 |
| Oper | Jacobovsky and the Colonel | Giselher Klebe | 1964-65 |
| Oper | Jacobowsky und der Oberst | Giselher Klebe | 1964-65 |
| Oper | Její pastorkyňa | Leoš Janáček | 1894-1903, rev. 1907/08 |
| Oper | Jenůfa | Leoš Janáček | 1894-1903, rev. 1907/08 |
| Oper | Jephta | Michel Pignolet de Montéclair | 1732 |
| Oper | Jephté | Michel Pignolet de Montéclair | 1732 |
| Oper | Jephthah | Michel Pignolet de Montéclair | 1732 |
| Oper | Jerusalem | Giuseppe Verdi | 1847 |
| Oper | Jérusalem | Giuseppe Verdi | 1847 |
| Oper | Jessonda | Louis Spohr | 1822 |
| Oper | Jewgeni Onjegin [Евгений Онегин] | Peter Iljitsch Tschaikowski | 1878 |
| Oper | Joana de Flandres | Antônio Carlos Gomes | 1863 |
| Oper | Johanna von Flandern | Antônio Carlos Gomes | 1863 |
| Oper | Jolanthe | Peter Iljitsch Tschaikowski | 1891 |
| Oper | Jonah | Anatol Vieru | 1971-75 |
| Oper | Jonas | Anatol Vieru | 1971-75 |
| Oper | Jone, o L'ultimo giorno di Pompei | Errico Petrella | 1857 |
| Oper | Jour de paix | Richard Strauss | 1935-36 |
| Oper | Judif [Юдифь] | Alexander Nikolajewitsch Serow | 1861-63 |
| Oper | Judith | Alexander Nikolajewitsch Serow | 1861-63 |
| Oper | Juha | Aarre Merikanto | 1920-22 |
| Oper | Jules César | Gian Francesco Malipiero | 1934-35 |
| Oper | Julietta | Heimo Erbse | 1957 |
| Oper | Julius Caesar | Gian Francesco Malipiero | 1934-35 |
| Oper | Julius Cäsar | Gian Francesco Malipiero | 1934-35 |
| Oper | Junona i Awos [Юнона и Авось] | Alexej Rybnikow | ? |
| Oper | Juno und Avos | Alexej Rybnikow | ? |
| Oper | Jupira | Antônio Francisco Braga | 1899 |
| Oper | Jupyra | Antônio Francisco Braga | 1899 |
| Oper | Jutro | Tadeusz Baird | ? |
| Oper | Kachtcheï l'immortel | Nikolai Andrejewitsch Rimski-Korsakow | 1901-02, rev. 1906 |
| Oper | Kaschtschej bessmertny [Кащей Бессмертный] | Nikolai Andrejewitsch Rimski-Korsakow | 1901-02, rev. 1906 |
| Oper | Kashchey the Immortal | Nikolai Andrejewitsch Rimski-Korsakow | 1901-02, rev. 1906 |
| Oper | Kate and the Devil | Antonín Dvořák | 1898-99 |
| Oper | Katia et le Diable | Antonín Dvořák | 1898-99 |
| Oper | Khovanshchina | Modest Petrowitsch Mussorgski | 1872-80 |
| Oper | King Candaules | Alexander von Zemlinsky | 1935-39 |
| Oper | King Priam | Michael Tippett | 1958-61 |
| Oper | King Roger | Karol Szymanowski | 1918-25 |
| Oper | Kirisk - Der Junge und das Meer | Magret Wolf | ? |
| Oper | Kirisk - The Young Man and the Sea | Magret Wolf | ? |
| Oper | Kleider machen Leute | Alexander von Zemlinsky | 1907-09, rev. 1922 |
| Oper | Klein Zaches, genannt Zinnober | Coppelius | 2015 |
| Bühnenmusik | Knjas Cholmski [Князь Холмский] | Michail Iwanowitsch Glinka | 1840 |
| Oper | Knjas Igor [Князь Игорь] | Alexander Porfirjewitsch Borodin | 1869-87 |
| Oper | Koanga | Frederick Delius | 1895-97 |
| Oper | Kola Brjunjon [Кола Брюньон] | Dmitri Borissowitsch Kabalewski | 1936-38, rev. 1953 und 1968 |
| Oper | Komödie auf der Brücke | Bohuslav Martinů | 1935 |
| Oper | Komödie des Todes | Gian Francesco Malipiero | 1929 |
| Oper | König Arthus | Ernest Chausson | 1887-94 |
| Oper | König für einen Tag | Giuseppe Verdi | ? |
| Oper | Königin Elisabeth in Schloss Kenilworth | Gaetano Donizetti | 1829, rev. 1830 |
| Oper | König Karls Jagd | Fredrik Pacius | 1852, rev. 1879 |
| Oper | König Priamos | Michael Tippett | 1958-61 |
| Oper | König Roger | Karol Szymanowski | 1918-25 |
| Oper | König Stephan | Franz Erkel | 1874-84 |
| Oper | König und Marschall | Peter Heise | 1875-77 |
| Oper | Kostas Karyotakis [Κώστας Καρυωτάκης] | Mikis Theodorakis | 1984-85 |
| Oper | Kot i Sapogach [Кот в сапогах] | César Cui | 1913 |
| Oper | Król Roger | Karol Szymanowski | 1918-25 |
| Oper | Kullervo | Aulis Sallinen | 1986-88 |
| Oper | Kung Karls jakt | Fredrik Pacius | 1852, rev. 1879 |
| Oper | Küsse und Keile | Riccardo Pick-Mangiagalli | 1919/20 |
| Oper | L'Africaine | Giacomo Meyerbeer | 1843-1864 |
| Oper | L'aio nell'imbarazzo | Gaetano Donizetti | 1823-24, rev. 1826 |
| Oper | L'amor coniugale | Johann Simon Mayr | 1804-05 |
| Oper | L'amore dei tre Re | Italo Montemezzi | ca. 1910-13 |
| Oper | L'amour des trois rois | Italo Montemezzi | ca. 1910-13 |
| Oper | L'Anneau de Polycrate | Erich Wolfgang Korngold | 1913-14 |
| Oper | L'arbore di Diana | Vicente Martín y Soler | 1787 |
| Oper | L'Arlesiana | Francesco Cilea | 1892-97, rev. 1898, 1910 und 1937 |
| Bühnenmusik | L'Arlésienne | Georges Bizet | 1872 |
| Oper | L'Astre du Soir | Nicolae Bretan | 1921 |
| Operette | L'Auberge du cheval blanc | Ralph Benatzky | 1930 |
| Oper | L'Ebreo | Giuseppe Apolloni | ? |
| Oper | L'Échelle de soie | Gioacchino Rossini | 1812 |
| Oper | L'elisir d'amore | Gaetano Donizetti | 1832 |
| Oper | L'Enchanteresse | Peter Iljitsch Tschaikowski | 1885-87 |
| Singspiel | L'Enlèvement au sérail | Wolfgang Amadeus Mozart | 1781-82 |
| Operette | L'étudiant pauvre | Karl Millöcker | ? |
| Oper | L'Euridice favola drammatica | Jacopo Peri | 1600 |
| Oper | L'Homme aux chevaux | Aulis Sallinen | 1973-74 |
| Oper | L'Hôtellerie portugaise | Luigi Cherubini | 1798 |
| Oper | L'incoronazione di Dario | Antonio Vivaldi | 1716 |
| Oper | L'incoronazione di Poppea | Claudio Monteverdi | 1642 |
| Oper | L'Infedeltà delusa | Joseph Haydn | 1773 |
| Oper | L'italiana in Algeri | Gioacchino Rossini | 1813 |
| Oper | L'italiana in Londra | Domenico Cimarosa | ? |
| Oper | L'Italienne à Alger | Gioacchino Rossini | 1813 |
| Oper | L'oca del Cairo | Wolfgang Amadeus Mozart | 1783 |
| Oper | L'occasione fa il ladro, ossia Il cambio della valigia | Gioacchino Rossini | 1812 |
| Oper | L'occasion fait le larron ou l'Échange de la valise | Gioacchino Rossini | 1812 |
| Oper | L'Or du Rhin | Richard Wagner | 1851-54 |
| Oper | L'Orestie | Sergei Iwanowitsch Tanejew | 1887-94 |
| Oper | L'Orfeo | Claudio Monteverdi | 1606/07 |
| Oper | L'Orontea | Pietro Antonio Cesti | 1656 |
| Oper | L'ultimo giorno di Pompei | Giovanni Pacini | 1825 |
| Oper | La Bataille de Legnano | Giuseppe Verdi | 1848-49 |
| Oper | La Battaglia di Legnano | Giuseppe Verdi | 1848-49 |
| Operette | La belle Galatée | Franz von Suppé | 1865 |
| Operette | La Belle Hélène | Jacques Offenbach | 1864 |
| Oper | La Bohème | Giacomo Puccini | 1893-95 |
| Oper | La Bohémienne | Michael William Balfe | 1843 |
| Oper | La campana sommersa | Ottorino Respighi | 1924-27 |
| Oper | La Caravane du Caire | André-Ernest-Modeste Grétry | 1783 |
| Oper | La Cecchina, ossia La buona figliuola | Niccolò Piccinni | 1759-60 |
| Oper | La Cecchina oder Das Findelkind | Niccolò Piccinni | 1759-60 |
| Oper | La Cenerentola, ossia La bontà in trionfo | Gioacchino Rossini | 1816-17 |
| Operette | La Chauve-souris | Johann (Sohn) Strauss | 1874 |
| Zarzuela | La Clementina | Luigi Boccherini | 1786 |
| Oper | La Cloche egloutine | Ottorino Respighi | 1924-27 |
| Singspiel | La colline des elfes | Friedrich Kuhlau | 1828 |
| Oper | La Conquista di Granata | Emilio Arrieta | 1850 |
| Oper | La Dafne | Marco da Gagliano | 1608 |
| Oper | La Dame blanche | François-Adrien Boieldieu | 1825 |
| Oper | La Dame de pique | Peter Iljitsch Tschaikowski | 1890 |
| Oper | La défense d'aimer ou La Novice de Palermo | Richard Wagner | 1834-36 |
| Oper | La donna serpente | Alfredo Casella | 1928-31 |
| Operette | Lady Hamilton | Eduard Künneke | 1926 |
| Singspiel | La Faction de quatre ans | Franz Schubert | 1815 |
| Oper | La Falce | Alfredo Catalani | 1875 |
| Oper | La Famille Suisse | Joseph Weigl | 1809 |
| Oper | La fanciulla del West | Giacomo Puccini | 1907-10, rev. 1912 |
| Oper | La Fareta Smarrita | Sebastiano Moratelli | um 1690 |
| Oper | La Fattucchiera | Vicenç Cuyàs | 1838 |
| Oper | La Favorite | Gaetano Donizetti | 1839 |
| Oper | La Fiamma | Ottorino Respighi | 1931-33 |
| Oper | La Fiancée de Messine | Zdeněk Fibich | 1882-83 |
| Oper | La Fiancée du tsar | Nikolai Andrejewitsch Rimski-Korsakow | 1898 |
| Oper | La Fille du Far-West | Giacomo Puccini | 1907-10, rev. 1912 |
| Oper | La Fille du régiment | Gaetano Donizetti | 1839 |
| Oper | La Flûte enchantée | Wolfgang Amadeus Mozart | 1791 |
| Oper | La Foire de Sorotchinsky | Modest Petrowitsch Mussorgski | 1874-80 |
| Oper | La Forza del Destino (1862) | Giuseppe Verdi | ? |
| Oper | La Gioconda | Amilcare Ponchielli | 1875-76, rev. 1880 |
| Oper | La Hija de Rappacini | Daniel Catán | 1988 |
| Oper | La Houppelande | Giacomo Puccini | 1913-16 |
| Oper | La Jolie Fille de Perth | Georges Bizet | 1866 |
| Oper | La Juive | Jacques Fromental Halévy | 1834-35 |
| Oper | La Khovanchtchina | Modest Petrowitsch Mussorgski | 1872-80 |
| Oper | Lakmé | Léo Delibes | 1883 |
| Oper | La légende de la ville invisible de Kitège | Nikolai Andrejewitsch Rimski-Korsakow | 1903-04 |
| Oper | La Lodoiska | Johann Simon Mayr | 1796, rev. 1799 |
| Oper | La maga Circe | Pasquale Anfossi | 1788 |
| Oper | La Magicienne Circe | Pasquale Anfossi | 1788 |
| Oper | La Mort à Venise | Benjamin Britten | 1973 |
| Oper | La Muette de Portici | Daniel-François-Esprit Auber | 1828 |
| Oper | La Navarraise | Jules Massenet | 1893-94 |
| Oper | La Nonne sanglante | Charles François Gounod | 1852-54 |
| Operette | La Périchole | Jacques Offenbach | 1868, rev. 1874 |
| Oper | La Petite Renarde rusée | Leoš Janáček | 1922-23, rev. 1924 |
| Oper | La Poupée de Nuremberg | Charles Adolphe Adam | 1852 |
| Oper | La prigione di Edimburgo | Federico Ricci | 1838 |
| Operette | La Princesse jaune | Camille Saint-Saëns | 1871/72 |
| Operette | La Princesse tzigane | Emmerich Kálmán | 1914-15 |
| Oper | La Pskofitaine | Nikolai Andrejewitsch Rimski-Korsakow | 1868-72, rev. 1876-78 und 1891/92 |
| Oper | La Pucelle d'Orléans | Peter Iljitsch Tschaikowski | 1878-79 |
| Oper | La Reine de Saba | Charles François Gounod | 1861, rev. 1862 |
| Oper | La Reine Indienne | Henry Purcell | 1695 |
| Zarzuela | La Rosa del Azafrán | Jacinto Guerrero | 1930 |
| Oper | La scala di seta | Gioacchino Rossini | 1812 |
| Oper | La Somnambule | Vincenzo Bellini | ? |
| Oper | La sonnambula | Vincenzo Bellini | ? |
| Oper | La Spinalba, ossia Il vecchio matto | Francisco António de Almeida | 1739 |
| Oper | Last Days of Thule | Georg Wilhelm Rauchenecker | 1889 |
| Oper | La straniera | Vincenzo Bellini | 1828 |
| Oper | La Tosca | Giacomo Puccini | 1896-99 |
| Oper | La Traviata | Giuseppe Verdi | ? |
| Oper | La vera storia | Luciano Berio | 1982 |
| Oper | La vestale | Giuseppe Saverio Mercadante | 1840 |
| Oper | La Vestale | Gaspare Luigi Pacifico Spontini | 1807 |
| Operette | La Veuve joyeuse | Franz Lehár | 1905 |
| Oper | La Walkyrie | Richard Wagner | 1851-56 |
| Oper | La Wally | Alfredo Catalani | 1892 |
| Oper | Le Barbier de Séville | Gioacchino Rossini | 1815 |
| Oper | Le Cadi dupé | Christoph Willibald Gluck | 1761 |
| Oper | Le cercle de craie | Alexander von Zemlinsky | 1930-32 |
| Oper | Le Chat botté | Xavier Montsalvatge | 1974 ? |
| Oper | Le Château de Barbe-Blue | Béla Bartók | 1911 |
| Oper | Le Chateau des Carpathes | Philippe Hersant | 1989-92 |
| Oper | Le Cheval de bronze | Daniel-François-Esprit Auber | 1835 |
| Oper | Le Cinesi | Christoph Willibald Gluck | 1735, rev. 1754 |
| Oper | Le Coq d'or | Nikolai Andrejewitsch Rimski-Korsakow | 1906-07 |
| Oper | Le Couronnement de Poppée | Claudio Monteverdi | 1642 |
| Oper | Le Crépuscule des Dieux | Richard Wagner | 1848-74 |
| Oper | Le Croisé en Egypte | Giacomo Meyerbeer | 1823-24, rev. 1825 |
| Oper | Le Devin du Village | Jean-Jacques Rousseau | ? |
| Oper | Le Domino noir | Daniel-François-Esprit Auber | ? |
| Oper | Le Faucon | Dmitri Stepanowitsch Bortnjanski | 1786 |
| Oper | Le Franc-Tireur | Carl Maria von Weber | 1820 |
| Oper | Le Frère amoureux | Giovanni Battista Pergolesi | 1732 |
| Oper | Légende irlandaise | Werner Egk | 1951-55, rev. 1969-71 |
| Oper | Le Grand Macabre | György Ligeti | 1978, rev. 1996 |
| Oper | Le Jeu de Robin et de Marion | Adam de la Halle | ? |
| Oper | Le Joueur de flûte de Hamelin | Nicolas Flagello | 1970 |
| Oper | Le Mage | Jules Massenet | 1891 |
| Oper | Le maître de chapelle, ou Le souper imprévu | Ferdinando Paër | 1821 |
| Oper | Le Manoir hanté | Stanisław Moniuszko | 1861-64 |
| Oper | Le Menuisier de Livonie, ou Pierre le Grand, tsar de Russie | Gaetano Donizetti | 1819 |
| Oper | Le mont sacré | Christian Sinding | 1912 |
| Oper | Le Muet au couvent, ou Les Clarisses qui chantent | János Komives | 1993/94 |
| Oper | Le Mur du Diable | Bedřich Smetana | 1879-82 |
| Oper | Le nain | Alexander von Zemlinsky | 1920-21 |
| Oper | Le nozze di Figaro | Wolfgang Amadeus Mozart | 1786 |
| Oper | Leonora, ossia L'amor conjugale | Ferdinando Paër | 1804 |
| Oper | Leonora oder die eheliche Liebe | Ferdinando Paër | 1804 |
| Oper | Leonora or Conjugal Love | Ferdinando Paër | 1804 |
| Oper | Le pauvre matelot | Darius Milhaud | 1926, rev. 1934 |
| Oper | Le paysan rusé | Antonín Dvořák | 1877? |
| Operette | Le Pays du Sourire | Franz Lehár | 1929 |
| Oper | Le Postillon de Lonjumeau | Charles Adolphe Adam | 1836 |
| Oper | Le Précepteur dans l'embarras | Gaetano Donizetti | 1823-24, rev. 1826 |
| Oper | Le Prince Igor | Alexander Porfirjewitsch Borodin | 1869-87 |
| Oper | Le retour au pays | Felix Mendelssohn Bartholdy | 1829 |
| Oper | Le Roi Arthus | Ernest Chausson | 1887-94 |
| Oper | Le roi Candaule | Alexander von Zemlinsky | 1935-39 |
| Oper | Le Roi d'Ys | Édouard Lalo | 1875-87 |
| Oper | Le Roi de Lahore | Jules Massenet | 1871-77 |
| Oper | Le Roi Priam | Michael Tippett | 1958-61 |
| Oper | Le rossignol | Igor Fjodorowitsch Strawinski | 1908-14 |
| Oper | Les 0iseaux | Walter Braunfels | 1913-19 |
| Oper | Les Abencérages ou L'Étendard de Grenade | Luigi Cherubini | 1813 |
| Oper | Les Âmes mortes | Rodion Konstantinowitsch Schtschedrin | 1966-77 |
| Oper | Les Amours de Ragonde ou La Soirée de Village | Jean-Joseph Mouret | 1714 |
| Oper | Les Brandebourgeois en Bohême | Bedřich Smetana | 1862-63 |
| Oper | Les Caprices de Marianne | Henri Sauguet | 1954 |
| Oper | Les Capulets et les Montaigus | Vincenzo Bellini | ? |
| Oper | Les Chinoises | Christoph Willibald Gluck | 1735, rev. 1754 |
| Oper | Les Comédiens ambulants | François Devienne | 1798 |
| Singspiel | Les Conjurées | Franz Schubert | 1823 |
| Oper | Les contes du Tsar Saltan | Nikolai Andrejewitsch Rimski-Korsakow | 1899-1900 |
| Oper | Les Derniers jours de Thulé | Georg Wilhelm Rauchenecker | 1889 |
| Oper | Les deux journées ou le Porteur d'eau | Luigi Cherubini | 1799-1800 |
| Oper | Les Deux petits savoyards | Nicolas-Marie Dalayrac | 1789 |
| Singspiel | Les deux Précepteurs | Felix Mendelssohn Bartholdy | 1821 |
| Oper | Les Dragons de Villars | Louis Aimé Maillart | ? |
| Operette | Le Serpent à plumes | Léo Delibes | 1864 |
| Oper | Les Fées | Richard Wagner | 1833, rev. 1834 |
| Oper | Les Fiancés | Amilcare Ponchielli | 1856, rev. 1872 |
| Oper | Les huguenots | Giacomo Meyerbeer | 1836 |
| Singspiel | Les Jumeaux | Franz Schubert | 1819 |
| Oper | Les Maîtres Chanteurs de Nuremberg | Richard Wagner | 1845-67 |
| Oper | Les Naufrageurs | Ethel Smyth | 1906 |
| Oper | Les Noces de Figaro | Wolfgang Amadeus Mozart | 1786 |
| Bühnenmusik | Le Songe d'une nuit d'été | Felix Mendelssohn Bartholdy | 1842 |
| Oper | Le songe de Scipion | Wolfgang Amadeus Mozart | 1772 |
| Oper | Les Pêcheurs de perles | Georges Bizet | 1863 |
| Operette | Les Perles de Cléopâtre | Oscar Straus | ? |
| Bühnenmusik | Les Ruines d'Athènes | Ludwig van Beethoven | 1811 |
| Oper | Les Têtes dures | Antonín Dvořák | 1874 |
| Oper | Les Troyens | Hector Berlioz | 1856-58, rev. 1859/60 |
| Oper | Les Vêspres siciliennes | Giuseppe Verdi | ? |
| Oper | Les vêtements font les gens | Alexander von Zemlinsky | 1907-09, rev. 1922 |
| Oper | Le Templier | Otto Nicolai | 1839-40, rev. 1845 |
| Oper | Le Trouvère | Giuseppe Verdi | 1852 |
| Oper | Le Vaisseau fantôme | Richard Wagner | 1840-1841, rev. 1860 |
| Oper | Le Val d'Andorre | Jacques Fromental Halévy | 1848 |
| Oper | Le Vampire | Heinrich August Marschner | 1828 |
| Oper | Le Villi | Giacomo Puccini | 1884, rev. 1884, 1885 und 1889 |
| Oper | Le Voïévode | Peter Iljitsch Tschaikowski | 1867/68 |
| Oper | Libusa | Bedřich Smetana | 1869-72 |
| Oper | Libuse | Bedřich Smetana | 1869-72 |
| Oper | Libuše | Bedřich Smetana | 1869-72 |
| Oper | Liebe macht erfinderisch | Joseph Haydn | 1773 |
| Oper | Li puntigli delle donne | Gaspare Luigi Pacifico Spontini | 1796 |
| Operette | Liselott | Eduard Künneke | 1932 |
| Oper | Lodoiska | Johann Simon Mayr | 1796, rev. 1799 |
| Oper | Lo frate 'nnammorato | Giovanni Battista Pergolesi | 1732 |
| Oper | Lohengrin | Richard Wagner | 1845-48 |
| Oper | Lord Byron's Love Letter | Raffaello de Banfield | 1955 |
| Oper | Loreley | Alfredo Catalani | 1880 |
| Oper | Los Elementos | Antonio de Literes | 1704-05 |
| Oper | Lo spazzacamino | Marcos Portugal | 1794 |
| Oper | Lo Speziale | Joseph Haydn | 1768 |
| Oper | Lo sposo deluso | Wolfgang Amadeus Mozart | 1783 |
| Oper | Louise | Gustave Charpentier | 1900 |
| Oper | Lowland | Eugen d'Albert | 1902-03 |
| Oper | Luceafărul | Nicolae Bretan | 1921 |
| Oper | Lucia di Lammermoor | Gaetano Donizetti | 1835 |
| Oper | Lucio Silla | Wolfgang Amadeus Mozart | 1772 |
| Oper | Lucrezia Borgia | Gaetano Donizetti | 1833, rev. 1840 |
| Oper | Ludwig Hunyadi | Franz Erkel | 1841-43 |
| Zarzuela | Luisa Fernanda | Federico Moreno Torroba | 1932 |
| Oper | Luisa Miller | Giuseppe Verdi | ? |
| Oper | Luise Miller | Giuseppe Verdi | ? |
| Oper | Lulu | Alban Berg | 1929-35 |
| Oper | L’Élixir d’amour | Gaetano Donizetti | 1832 |
| Oper | Macbeth | Ernest Bloch | 1904-09 |
| Oper | Madama Butterfly | Giacomo Puccini | 1901-03, rev. 1904 und 1907 |
| Oper | Madame Butterfly | Giacomo Puccini | 1901-03, rev. 1904 und 1907 |
| Operette | Madame la lune | Paul Lincke | 1899 |
| Operette | Madame Pompadour | Leo Fall | 1922 |
| Oper | Madame Sans-Gêne | Umberto Giordano | 1914-15 |
| Oper | Mahomet II | Gioacchino Rossini | 1820 |
| Oper | Maiskaja notsch [Майская ночь] | Nikolai Andrejewitsch Rimski-Korsakow | 1878-79 |
| Oper | Manon Lescaut | Daniel-François-Esprit Auber | 1856 |
| Oper | Manru | Ignaz Jan Paderewski | 1892-1901 |
| Oper | Maometto II | Gioacchino Rossini | 1820 |
| Oper | Maometto secondo | Gioacchino Rossini | 1820 |
| Oper | Mare and her Son | Tauno Pylkkänen | 1943 |
| Oper | Mare ja hänen poikansa | Tauno Pylkkänen | 1943 |
| Oper | Mare und ihr Sohn | Tauno Pylkkänen | 1943 |
| Oper | Margarethe von Anjou | Giacomo Meyerbeer | 1820 |
| Oper | Margherita d'Anjou | Giacomo Meyerbeer | 1820 |
| Oper | Margherita da Cortona | Licinio Refice | 1937 |
| Oper | Maria de Buenos Aires | Ástor Piazzolla | 1968 |
| Oper | María del Carmen | Enrique Granados | 1898 |
| Oper | Mariannes Allüren | Henri Sauguet | 1954 |
| Oper | Maria Padilla | Gaetano Donizetti | 1841 |
| Oper | Maria regina d'Inghilterra | Giovanni Pacini | 1843 |
| Oper | Maria Stuarda | Gaetano Donizetti | 1834 |
| Oper | Mariken de Nimégue | Bohuslav Martinů | 1933, rev. 1934 |
| Oper | Mariken of Nimégue | Bohuslav Martinů | 1933, rev. 1934 |
| Oper | Mariken von Nimwegen | Bohuslav Martinů | 1933, rev. 1934 |
| Oper | Mariken z Nimègue | Bohuslav Martinů | 1933, rev. 1934 |
| Oper | Marion Delorme | Amilcare Ponchielli | 1885, rev. 1885 |
| Oper | Martha oder Der Markt von Richmond | Friedrich von Flotow | 1847 |
| Oper | Masepa [Мазепа] | Peter Iljitsch Tschaikowski | 1883 |
| Operette | Maske in Blau | Fred Raymond | 1937 |
| Operette | Mask in Blue | Fred Raymond | 1937 |
| Oper | Massimilla Doni | Othmar Schoeck | 1934/35 |
| Oper | Ma Tante Aurore ou Le Roman impromptu | François-Adrien Boieldieu | 1802 ? |
| Oper | Mathilde de Shabran ou Beauté et cœur de fer | Gioacchino Rossini | 1820-21 |
| Oper | Mathilde von Shabran oder Die Schönheit und das Eisenherz | Gioacchino Rossini | 1820-21 |
| Oper | Matilde di Shabran, ossia Bellezza e cuor di ferro | Gioacchino Rossini | 1820-21 |
| Oper | Matilde of Shabran, or Beauty and Heart of Iron | Gioacchino Rossini | 1820-21 |
| Oper | Mavra | Igor Fjodorowitsch Strawinski | 1921/22 |
| Oper | Mawra [Мавра] | Igor Fjodorowitsch Strawinski | 1921/22 |
| Oper | May Night | Nikolai Andrejewitsch Rimski-Korsakow | 1878-79 |
| Oper | Mazepa | Peter Iljitsch Tschaikowski | 1883 |
| Oper | Mazeppa | Peter Iljitsch Tschaikowski | 1883 |
| Oper | Medea | Marc-Antoine Charpentier | 1693-94 |
| Oper | Médée | Marc-Antoine Charpentier | 1693-94 |
| Oper | Medonte | Josef Mysliveček | 1780 |
| Oper | Mefistofele | Arrigo Boito | 1868, rev. 1876 |
| Oper | Mehmet | Giovanni Battista Sammartini | 1732 |
| Oper | Memet | Giovanni Battista Sammartini | 1732 |
| Oper | Mendi Mendiyan | José Maria Usandizaga | ? |
| Oper | Mephistopheles | Arrigo Boito | 1868, rev. 1876 |
| Oper | Mignon | Ambroise Thomas | 1863-66, rev. 1866, 1869 und 1870 |
| Oper | Miguel Mañara, ou Don Juan de Mañara | Henri Tomasi | 1936 |
| Singspiel | Miriways | Georg Philipp Telemann | 1728 |
| Oper | Mitridate, Rè di Ponto | Wolfgang Amadeus Mozart | 1770 |
| Oper | Mitridates, König von Pontos | Wolfgang Amadeus Mozart | 1770 |
| Oper | Mjortwye duschi [Мёртвые души] | Rodion Konstantinowitsch Schtschedrin | 1966-77 |
| Oper | Mlada [Млада] | Nikolai Andrejewitsch Rimski-Korsakow | 1889-90 |
| Oper | Moby Dick | Jake Heggie | 2010 |
| Oper | Moby-Dick | Jake Heggie | 2010 |
| Oper | Mohammed der Zweite | Gioacchino Rossini | 1820 |
| Oper | Montezuma | Carl Heinrich Graun | 1754-55 |
| Oper | Mord im Dom | Ildebrando Pizzetti | 1955-57 |
| Oper | Morgen | Tadeusz Baird | ? |
| Oper | Moses | Zsolt Durkó | 1976-77 |
| Oper | Motezuma | Antonio Vivaldi | spätestens 1733 |
| Oper | Mózes | Zsolt Durkó | 1976-77 |
| Oper | Murder in the Cathedral | Ildebrando Pizzetti | 1955-57 |
| Oper | Nabucco | Giuseppe Verdi | ? |
| Operette | Nächte in Shanghai | Friedrich Schröder | 1947 |
| Operette | Nanon, die Wirtin vom Goldenen Lamm | Richard Genée | 1877 |
| Oper | Nausicaa | Peggy Glanville-Hicks | 1956-61 |
| Oper | Nebukadnezar | Giuseppe Verdi | ? |
| Oper | Néron | Pietro Mascagni | 1890-1934 |
| Oper | Nerone | Pietro Mascagni | 1890-1934 |
| Oper | Nevĕsta messinská | Zdeněk Fibich | 1882-83 |
| Oper | Norma | Vincenzo Bellini | spätestens 1831 |
| Oper | Notre Dame | Franz Schmidt | 1902-04 |
| Oper | Nozze istriane | Antonio Smareglia | 1894 |
| Oper | Oberon | Carl Maria von Weber | 1826 |
| Oper | Oberto, comte de San Bonifacio | Giuseppe Verdi | 1839 |
| Oper | Oberto, Conte di San Bonifacio | Giuseppe Verdi | 1839 |
| Oper | Oberto, Count of San Bonifacio | Giuseppe Verdi | 1839 |
| Oper | Oberto, Graf von San Bonifacio | Giuseppe Verdi | 1839 |
| Oper | Obrutschenije w monastyre [Обручение в монастыре] | Sergei Sergejewitsch Prokofjew | 1940-41 |
| Oper | Oceana | Antonio Smareglia | 1903 |
| Oper | Ogier de Danemarche | Friedrich Ludwig Æmilius Kunzen | 1789 |
| Oper | Ogier the Dane | Friedrich Ludwig Æmilius Kunzen | 1789 |
| Oper | Olympia | Gaspare Luigi Pacifico Spontini | 1819, rev. 1821 und 1826 |
| Oper | Olympie | Gaspare Luigi Pacifico Spontini | 1819, rev. 1821 und 1826 |
| Oper | Opportunity Makes a Thief, or The Exchanged Suitcase | Gioacchino Rossini | 1812 |
| Oper | Oresteja [Орестея] | Sergei Iwanowitsch Tanejew | 1887-94 |
| Oper | Orfeo ed Euridice | Christoph Willibald Gluck | 1762, rev. 1774 |
| Oper | Orleanskaja dewa [Орлеанская дева] | Peter Iljitsch Tschaikowski | 1878-79 |
| Oper | Orontea | Pietro Antonio Cesti | 1656 |
| Operette | Orphée aux Enfers | Jacques Offenbach | 1858, rev. 1874 |
| Oper | Orphée et Euridice | Christoph Willibald Gluck | 1762, rev. 1774 |
| Oper | Orpheus and Eurydice | Christoph Willibald Gluck | 1762, rev. 1774 |
| Operette | Orpheus in der Unterwelt | Jacques Offenbach | 1858, rev. 1874 |
| Oper | Orpheus und Euridike | Christoph Willibald Gluck | 1762, rev. 1774 |
| Oper | Orseolo | Ildebrando Pizzetti | 1931-35 |
| Oper | Orséolo | Ildebrando Pizzetti | 1931-35 |
| Oper | Otello | Giuseppe Verdi | ? |
| Oper | Othello | Giuseppe Verdi | ? |
| Oper | Padmâvatî | Albert Roussel | 1914-18 |
| Oper | Pagliacci | Ruggero Leoncavallo | 1892 |
| Oper | Paillasse | Ruggero Leoncavallo | 1892 |
| Oper | Parsifal | Richard Wagner | 1865-82 |
| Oper | Peace Day | Richard Strauss | 1935-36 |
| Bühnenmusik | Pelleas and Melisande | Gabriel Fauré | 1898 |
| Oper | Pelléas and Mélisande | Claude Debussy | 1893-1902 |
| Oper | Pelléas et Mélisande | Claude Debussy | 1893-1902 |
| Oper | Pelléas und Mélisande | Claude Debussy | 1893-1902 |
| Oper | Penelope | Rolf Liebermann | 1954 |
| Oper | Penthesilea | Othmar Schoeck | 1924-25 |
| Oper | Pepita Jiménez | Isaac Albéniz | 1895, rev. 1897, rev. 1899-1902 |
| Oper | Persée et Andromède ou le Plus heureux des trois | Jacques Ibert | 1921 |
| Oper | Perseus and Andromeda | Jacques Ibert | 1921 |
| Oper | Perseus und Andromeda | Jacques Ibert | 1921 |
| Oper | Peter Grimes | Benjamin Britten | 1944-45 |
| Oper | Peter Schmoll und seine Nachbarn | Carl Maria von Weber | 1801 |
| Oper | Phädra | Giovanni Paisiello | 1787 |
| Oper | Phaedra | Ildebrando Pizzetti | 1906-12 |
| Oper | Phaëton | Jean-Baptiste Lully | ? |
| Oper | Phèdre | Ildebrando Pizzetti | 1906-12 |
| Oper | Piére li houyeû | Eugène Ysaÿe | 1931 |
| Oper | Pierre, der Bergmann | Eugène Ysaÿe | 1931 |
| Oper | Pierre le mineur | Eugène Ysaÿe | 1931 |
| Oper | Pikowaja dama [Пиковая дама] | Peter Iljitsch Tschaikowski | 1890 |
| Oper | Pique Dame | Peter Iljitsch Tschaikowski | 1890 |
| Oper | Players | Ruggero Leoncavallo | 1892 |
| Oper | Pohjalaisia | Leevi Madetoja | 1918-23 |
| Operette | Polenblut | Oskar Nedbal | 1913 |
| Operette | Polish Blood | Oskar Nedbal | 1913 |
| Oper | Polyeucte | Charles François Gounod | 1878, rev. 1887 |
| Oper | Postilion! | Charles Adolphe Adam | 1836 |
| Oper | Příhody Lišky Bystroušky | Leoš Janáček | 1922-23, rev. 1924 |
| Oper | Prince Igor | Alexander Porfirjewitsch Borodin | 1869-87 |
| Bühnenmusik | Prinz Holmsky | Michail Iwanowitsch Glinka | 1840 |
| Oper | Pskowitjanka [Псковитянка] | Nikolai Andrejewitsch Rimski-Korsakow | 1868-72, rev. 1876-78 und 1891/92 |
| Oper | Puss in Boots | Xavier Montsalvatge | 1974 ? |
| Oper | Quiet Flows the Don | Iwan Iwanowitsch Dserschinski | 1935 |
| Oper | Raffaello | Anton Stepanowitsch Arenski | 1894 |
| Oper | Rainulf und Adelasia | Siegfried Wagner | 1920-22 |
| Oper | Raphael | Anton Stepanowitsch Arenski | 1894 |
| Oper | Raphaël | Anton Stepanowitsch Arenski | 1894 |
| Oper | Rappacini's Daugther | Daniel Catán | 1988 |
| Oper | Rappacinis Tochter | Daniel Catán | 1988 |
| Oper | Ratsumies | Aulis Sallinen | 1973-74 |
| Oper | Regina | Albert Lortzing | 1848 |
| Oper | Resurrection | Franco Alfano | 1904 |
| Oper | Résurrection | Franco Alfano | 1904 |
| Oper | Riccardo Primo, Re d'Inghilterra | Georg Friedrich Händel | 1727 |
| Oper | Richard Cœur de Lion | André-Ernest-Modeste Grétry | 1784 |
| Oper | Richard der Erste, König von England | Georg Friedrich Händel | 1727 |
| Oper | Richard Ier, Roi d'Angleterre | Georg Friedrich Händel | 1727 |
| Oper | Richard Löwenherz | André-Ernest-Modeste Grétry | 1784 |
| Oper | Richard the First, King of England | Georg Friedrich Händel | 1727 |
| Oper | Ricimero | Giacinto Calderara | 1755 |
| Oper | Ridarren och Draken | Mikko Heiniö | 1999-2000 |
| Oper | Riders to the Sea | Ralph Vaughan Williams | 1925-32 |
| Oper | Rienzi, der letzte der Tribunen | Richard Wagner | 1837-40 |
| Oper | Rienzi, the Last of the Tribunes | Richard Wagner | 1837-40 |
| Oper | Rigoletto | Giuseppe Verdi | ? |
| Oper | Risurrezione | Franco Alfano | 1904 |
| Oper | Roberto Devereux ossia Il conte di Essex | Gaetano Donizetti | 1837 |
| Operette | Robinson Crusoe | Jacques Offenbach | 1867 |
| Operette | Robinson Crusoé | Jacques Offenbach | 1867 |
| Oper | Roi et maréchal | Peter Heise | 1875-77 |
| Oper | Romeo and Juliet | Filippo Marchetti | 1865, rev. 1872 und 1876 |
| Oper | Romeo e Giulietta | Filippo Marchetti | 1865, rev. 1872 und 1876 |
| Oper | Roméo et Juliette | Filippo Marchetti | 1865, rev. 1872 und 1876 |
| Oper | Romeo und Julia | Filippo Marchetti | 1865, rev. 1872 und 1876 |
| Bühnenmusik | Rosamunde, Fürstin von Zypern | Franz Schubert | 1823 |
| Bühnenmusik | Rosamunde, princesse de Chypre | Franz Schubert | 1823 |
| Bühnenmusik | Rosamunde, Princess of Cyprus | Franz Schubert | 1823 |
| Oper | Rostam and Sohrab | Loris Tjeknavorian | 1963 |
| Oper | Rostam et Sohrab | Loris Tjeknavorian | 1963 |
| Oper | Rostam und Sohrab | Loris Tjeknavorian | 1963 |
| Oper | Rouslan et Ludmila | Michail Iwanowitsch Glinka | 1837-42, rev. 1846 |
| Oper | Rozsudok | Ján Cikker | ? |
| Oper | Rusalka | Antonín Dvořák | 1900 |
| Oper | Ruslan and Lyudmila | Michail Iwanowitsch Glinka | 1837-42, rev. 1846 |
| Oper | Ruslan i Ljudmila [Руслан и Людмила] | Michail Iwanowitsch Glinka | 1837-42, rev. 1846 |
| Oper | Ruslan und Ludmila | Michail Iwanowitsch Glinka | 1837-42, rev. 1846 |
| Oper | Rustam wa Suhrāb | Loris Tjeknavorian | 1963 |
| Oper | Ruth | Lennox Berkeley | 1955-56 |
| Oper | Ruy Blas | Filippo Marchetti | 1869 |
| Oper | Ryno, or the Knight Errant | Eduard Brendler | 1831 |
| Oper | Ryno eller Den vandrande riddaren | Eduard Brendler | 1831 |
| Oper | Ryno oder Der fahrende Ritter | Eduard Brendler | 1831 |
| Oper | Sadko [Садко] | Nikolai Andrejewitsch Rimski-Korsakow | 1893-96 |
| Oper | Salomé | Antoine Mariotte | 1908 |
| Oper | Samson and Delilah | Camille Saint-Saëns | 1868-77 |
| Oper | Samson et Dalila | Camille Saint-Saëns | 1868-77 |
| Oper | Samson und Dalila | Camille Saint-Saëns | 1868-77 |
| Oper | Sancha von Kastilien | Gaetano Donizetti | 1832 |
| Oper | Sancia di Castiglia | Gaetano Donizetti | 1832 |
| Oper | Sapho | Charles François Gounod | 1850-51, rev. 1884 |
| Oper | Sappho | Charles François Gounod | 1850-51, rev. 1884 |
| Oper | Sardakai oder Das kommt davon | Ernst Krenek | 1967-69, rev. 1971 |
| Oper | Sarema, die Rose vom Kaukasus | Alexander von Zemlinsky | 1894-95 |
| Oper | Sarema, la rose du Caucase | Alexander von Zemlinsky | 1894-95 |
| Oper | Šárka | Leoš Janáček | 1887/88, rev. 1918/19, rev. 1924/25 |
| Oper | Šarlatán | Pavel Haas | 1934-37 |
| Oper | Saul and David | Carl Nielsen | 1898-1901 |
| Oper | Saul et David | Carl Nielsen | 1898-1901 |
| Oper | Saul og David | Carl Nielsen | 1898-1901 |
| Oper | Saul und David | Carl Nielsen | 1898-1901 |
| Oper | Savitri | Gustav Holst | 1908-09 |
| Oper | Sāvitri | Gustav Holst | 1908-09 |
| Oper | Scharlatan | Pavel Haas | 1934-37 |
| Bühnenmusik | Schluck und Jau | Leoš Janáček | 1928 |
| Oper | Schneeflöckchen | Nikolai Andrejewitsch Rimski-Korsakow | 1880-81 |
| Oper | Schuld und Sühne | Emil Petrovics | 1967-68 |
| Oper | Schwanda, der Dudelsackpfeifer | Jaromír Weinberger | 1927 |
| Oper | Schwanda the Bagpiper | Jaromír Weinberger | 1927 |
| Operette | Schwarzwaldmädel | Leon Jessel | 1917 |
| Oper | Schwester Angelica | Giacomo Puccini | 1917, rev. 1918 |
| Oper | Scipio's Dream | Wolfgang Amadeus Mozart | 1772 |
| Oper | Scipios Traum | Wolfgang Amadeus Mozart | 1772 |
| Oper | Scylla et Glaucus | Jean-Marie Leclair d.Ä. | 1746, rev. 1755 |
| Oper | Seelewig | Sigmund Theophil Staden | 1644 |
| Oper | Šelma sedlák | Antonín Dvořák | 1877? |
| Oper | Semirama | Ottorino Respighi | 1908-10 |
| Oper | Semirâma | Ottorino Respighi | 1908-10 |
| Oper | Semiramide | Gioacchino Rossini | 1823 |
| Oper | Semiramis | Ottorino Respighi | 1908-10 |
| Oper | Sémiramis | Gioacchino Rossini | 1823 |
| Oper | Semjon Kotko [Семён Котко] | Sergei Sergejewitsch Prokofjew | 1938-39 |
| Oper | Semyon Kotko | Sergei Sergejewitsch Prokofjew | 1938-39 |
| Oper | Servilia | Nikolai Andrejewitsch Rimski-Korsakow | 1900-01 |
| Oper | Servilya | Nikolai Andrejewitsch Rimski-Korsakow | 1900-01 |
| Oper | Serwilija [Сервилия] | Nikolai Andrejewitsch Rimski-Korsakow | 1900-01 |
| Oper | Sesostri, re d'Egitto | Domingo Terradellas | 1751 |
| Oper | Sesostris, König von Ägypten | Domingo Terradellas | 1751 |
| Oper | Siberia | Umberto Giordano | 1901-03, rev. 1927 |
| Oper | Sibirien | Umberto Giordano | 1901-03, rev. 1927 |
| Oper | Siegesmund | Gioacchino Rossini | 1814 |
| Oper | Siegfried | Richard Wagner | 1851-71 |
| Oper | Sigismondo | Gioacchino Rossini | 1814 |
| Oper | Signor Bruschino, or The Accidental Son | Gioacchino Rossini | 1812 |
| Oper | Signor Bruschino oder Der Sohn aus Zufall | Gioacchino Rossini | 1812 |
| Oper | Signor Bruschino ou Le Fils par hasard | Gioacchino Rossini | 1812 |
| Oper | Sigurd | Ernest Reyer | 1883/84 |
| Bühnenmusik | Sigurd, der Kreuzfahrer | Edvard Grieg | 1872 |
| Bühnenmusik | Sigurd Jorsalfar | Edvard Grieg | 1872 |
| Oper | Si j'étais roi | Charles Adolphe Adam | 1852 |
| Oper | Simon Boccanegra | Giuseppe Verdi | 1857, rev. 18xx |
| Oper | Sim Tjong | Isang Yun | 1971-72 |
| Operette | Sissi | Fritz Kreisler | 1932 |
| Operette | Sissy | Fritz Kreisler | 1932 |
| Oper | Sister Angelica | Giacomo Puccini | 1917, rev. 1918 |
| Oper | Sizilianische Bauernehre | Pietro Mascagni | 1890 |
| Oper | Skasanije o newidimom grade Kitesche i dewe Fewronii [Сказание о невидимом граде Китеже и деве Февронии] | Nikolai Andrejewitsch Rimski-Korsakow | 1903-04 |
| Oper | Skaska o zare Saltane [Сказка о царе Салтане] | Nikolai Andrejewitsch Rimski-Korsakow | 1899-1900 |
| Oper | Smrt Hippodamie | Zdeněk Fibich | 1891 |
| Oper | Snegurotschka [Снегурочка] | Nikolai Andrejewitsch Rimski-Korsakow | 1880-81 |
| Oper | Sniegourotchka | Nikolai Andrejewitsch Rimski-Korsakow | 1880-81 |
| Oper | Snowmaiden | Nikolai Andrejewitsch Rimski-Korsakow | 1880-81 |
| Oper | Sœur Angelica | Giacomo Puccini | 1917, rev. 1918 |
| Oper | Sofonisba | Ferdinando Paër | 1805 |
| Oper | Sokol [Сокол] | Dmitri Stepanowitsch Bortnjanski | 1786 |
| Oper | Solotoi petuschok [Золотой петушок] | Nikolai Andrejewitsch Rimski-Korsakow | 1906-07 |
| Oper | Solowja [Соловья] | Igor Fjodorowitsch Strawinski | 1908-14 |
| Oper | So machen es alle Frauen | Wolfgang Amadeus Mozart | 1789/90 |
| Oper | Sonnenflammen | Siegfried Wagner | 1912 |
| Oper | Soraya von Granada | Gaetano Donizetti | 1821, rev. 1823 |
| Oper | Sorotschinskaja jarmarka [Сорочинская ярмарка] | Modest Petrowitsch Mussorgski | 1874-80 |
| Oper | Sosarme, König von Medien | Georg Friedrich Händel | 1731-32 |
| Oper | Sosarme, Re di Media | Georg Friedrich Händel | 1731-32 |
| Oper | Sosarme, Roi de Mèdes | Georg Friedrich Händel | 1731-32 |
| Oper | Sosarmes, King of Medes | Georg Friedrich Händel | 1731-32 |
| Musical | South Pacific | Richard Charles Rodgers | 1949 |
| Oper | Spartaco | Giuseppe Porsile | 1726 |
| Oper | Spartakus | Giuseppe Porsile | 1726 |
| Oper | Spinning Room | Zoltán Kodály | 1924-32 |
| Oper | Spring Night | Gerhard Rosenkrone Schjelderup | 1905 |
| Oper | Stella di Napoli | Giovanni Pacini | 1845 |
| Oper | Stiffelio | Giuseppe Verdi | ? |
| Oper | Strandrecht | Ethel Smyth | 1906 |
| Oper | Straßenalltag | Kurt Weill | 1946 |
| Oper | Straszny Dwór | Stanisław Moniuszko | 1861-64 |
| Oper | Stratonice | Étienne-Nicolas Méhul | 1790-92 |
| Oper | Stratonike | Étienne-Nicolas Méhul | 1790-92 |
| Oper | Street Scene | Kurt Weill | 1946 |
| Oper | Suor Angelica | Giacomo Puccini | 1917, rev. 1918 |
| Oper | Švanda dudák | Jaromír Weinberger | 1927 |
| Oper | Székely fonó | Zoltán Kodály | 1924-32 |
| Oper | Talestri, Regina delle Amazoni | Maria Antonia Walpurgis | 1753 |
| Oper | Talestris, Königin der Amazonen | Maria Antonia Walpurgis | 1753 |
| Oper | Tamerlane | Georg Friedrich Händel | 1724 |
| Oper | Tamerlano | Georg Friedrich Händel | 1724 |
| Oper | Tancrède | Gioacchino Rossini | 1813 |
| Oper | Tancredi | Gioacchino Rossini | 1813 |
| Oper | Tannhäuser and the Singers' Contest at Wartburg Castle | Richard Wagner | 1842-45, rev. 1847, 1859-61 und 1861-67 |
| Oper | Tannhäuser et le tournoi des chanteurs à la Wartburg | Richard Wagner | 1842-45, rev. 1847, 1859-61 und 1861-67 |
| Oper | Tannhäuser und der Sängerkrieg auf Wartburg | Richard Wagner | 1842-45, rev. 1847, 1859-61 und 1861-67 |
| Oper | Tante Simona | Ernst von Dohnányi | 1911-12 |
| Oper | Taverner | Peter Maxwell Davies | 1962-68 und 1970 |
| Oper | Telemachos auf der Insel der Kalypso | Fernando Sor | 1797 |
| Oper | Testoride Argonauta | João de Sousa Carvalho | 1780 |
| Oper | Thaïs | Jules Massenet | 1893-94, rev. 1898 |
| Bühnenmusik | Thamos, König in Ägypten | Wolfgang Amadeus Mozart | 1779 |
| Singspiel | The Abduction from the Seraglio | Wolfgang Amadeus Mozart | 1781-82 |
| Oper | The African Woman | Giacomo Meyerbeer | 1843-1864 |
| Operette | The Alluring Flame | Eduard Künneke | 1933 |
| Oper | The Ban on Love or The Novice of Palermo | Richard Wagner | 1834-36 |
| Oper | The Barber of Bagdad | Peter Cornelius | 1856-58 |
| Oper | The Barber of Seville, or The Futile Precaution | Gioacchino Rossini | 1815 |
| Oper | The bass player of Wörgl | Michael Haydn | ca. 1773-75 |
| Oper | The Battle of Legnano | Giuseppe Verdi | 1848-49 |
| Oper | The Bear | William Walton | 1965-67 |
| Operette | The Beautiful Galatea | Franz von Suppé | 1865 |
| Operette | The Beggar Student | Karl Millöcker | ? |
| Oper | The Betrothed | Amilcare Ponchielli | 1856, rev. 1872 |
| Oper | The Birds | Walter Braunfels | 1913-19 |
| Oper | The Bloody Nun | Charles François Gounod | 1852-54 |
| Oper | The Bohemian Girl | Michael William Balfe | 1843 |
| Oper | The Bohemians | Giacomo Puccini | 1893-95 |
| Oper | The Brandenburgers in Bohemia | Bedřich Smetana | 1862-63 |
| Oper | The Bride of Messina | Zdeněk Fibich | 1882-83 |
| Oper | The Bronze Horse | Daniel-François-Esprit Auber | 1835 |
| Oper | The Brother in Love | Giovanni Battista Pergolesi | 1732 |
| Oper | The Capulets and the Montagues | Vincenzo Bellini | ? |
| Oper | The Chalk Circle | Alexander von Zemlinsky | 1930-32 |
| Oper | The Charlatan | Pavel Haas | 1934-37 |
| Oper | The Cheated Cadi | Christoph Willibald Gluck | 1761 |
| Oper | The Chimney-sweeper | Marcos Portugal | 1794 |
| Oper | The Chinese Girls | Christoph Willibald Gluck | 1735, rev. 1754 |
| Oper | The Cloak | Giacomo Puccini | 1913-16 |
| Singspiel | The Conspirators | Franz Schubert | 1823 |
| Oper | The Coronation of Poppea | Claudio Monteverdi | 1642 |
| Operette | The Cousin from Nowhere | Eduard Künneke | 1921 |
| Oper | The Crusader in Egypt | Giacomo Meyerbeer | 1823-24, rev. 1825 |
| Oper | The Cunning Little Vixen | Leoš Janáček | 1922-23, rev. 1924 |
| Oper | The Cunning Peasant | Antonín Dvořák | 1877? |
| Oper | The Daughter of the Regiment | Gaetano Donizetti | 1839 |
| Oper | The Decembrists | Juri Alexandrowitsch Schaporin | 1920-53 |
| Oper | The Devil's Wall | Bedřich Smetana | 1879-82 |
| Oper | The Devil and Daniel Webster | Douglas Stuart Moore | 1939 |
| Oper | The Doomsday Prophets | Wilhelm Peterson-Berger | 1912-17 |
| Singspiel | The Elf Hill | Friedrich Kuhlau | 1828 |
| Oper | The Elixir of Love | Gaetano Donizetti | 1832 |
| Oper | The Enchantress | Peter Iljitsch Tschaikowski | 1885-87 |
| Oper | The Evening Star | Nicolae Bretan | 1921 |
| Oper | The Fair at Sorochinsk | Modest Petrowitsch Mussorgski | 1874-80 |
| Operette | The Fair Helen | Jacques Offenbach | 1864 |
| Oper | The Fairies | Richard Wagner | 1833, rev. 1834 |
| Oper | The Fair Maid of Perth | Georges Bizet | 1866 |
| Oper | The Falcon | Dmitri Stepanowitsch Bortnjanski | 1786 |
| Oper | The First Emperor | Tan Dun | 2006 |
| Oper | The Flame | Ottorino Respighi | 1931-33 |
| Operette | The Flower of Hawaii | Paul Abraham | 1931 |
| Oper | The Flying Dutchman | Richard Wagner | 1840-1841, rev. 1860 |
| Singspiel | The Four-Year Post | Franz Schubert | 1815 |
| Operette | The Gipsy Princess | Emmerich Kálmán | 1914-15 |
| Bühnenmusik | The Girl from Arles | Georges Bizet | 1872 |
| Oper | The Girl of the Golden West | Giacomo Puccini | 1907-10, rev. 1912 |
| Oper | The Golden Cockerel | Nikolai Andrejewitsch Rimski-Korsakow | 1906-07 |
| Oper | The Haunted Manor | Stanisław Moniuszko | 1861-64 |
| Oper | The Holy Mountain | Christian Sinding | 1912 |
| Oper | The Horseman | Aulis Sallinen | 1973-74 |
| Oper | The Hunt of King Charles | Fredrik Pacius | 1852, rev. 1879 |
| Oper | The Indian Queen | Henry Purcell | 1695 |
| Oper | The Io Passion | Harrison Birtwistle | 2003 |
| Oper | The Italian Girl in Algiers | Gioacchino Rossini | 1813 |
| Oper | The Jewess | Jacques Fromental Halévy | 1834-35 |
| Oper | The King and the Lord Marshall | Peter Heise | 1875-77 |
| Oper | The King of Lahore | Jules Massenet | 1871-77 |
| Oper | The Knight and the Dragon | Mikko Heiniö | 1999-2000 |
| Oper | The Knights of Ekebù | Riccardo Zandonai | 1923-24 |
| Operette | The Land of Smiles | Franz Lehár | 1929 |
| Oper | The Last Day of Pompeii | Giovanni Pacini | 1825 |
| Operette | The laughing husband | Edmund Eysler | 1913 |
| Oper | The Legend of Mount Ararat | Çetin Işıközlü | 1972 |
| Oper | The Legend of the Invisible City of Kitezh and the Maiden Fevroniya | Nikolai Andrejewitsch Rimski-Korsakow | 1903-04 |
| Oper | The Lithuanians | Amilcare Ponchielli | 1874, rev. 1875 |
| Oper | The Livonian Carpenter, or Peter the Great, Tsar of the Russias | Gaetano Donizetti | 1819 |
| Oper | The Lost Quiver | Sebastiano Moratelli | um 1690 |
| Oper | The Love of the Three Kings | Italo Montemezzi | ca. 1910-13 |
| Oper | The Loves of Ragonde | Jean-Joseph Mouret | 1714 |
| Oper | The Magic Flute | Wolfgang Amadeus Mozart | 1791 |
| Oper | The Maid of Orleans | Peter Iljitsch Tschaikowski | 1878-79 |
| Oper | The Maid of Pskov | Nikolai Andrejewitsch Rimski-Korsakow | 1868-72, rev. 1876-78 und 1891/92 |
| Oper | The Man Outside | Sándor Balassa | 1978 |
| Oper | The Marksman | Carl Maria von Weber | 1820 |
| Oper | The Marriage of Figaro | Wolfgang Amadeus Mozart | 1786 |
| Oper | The Mastersingers of Nuremberg | Richard Wagner | 1845-67 |
| Operette | The Merry Widow | Franz Lehár | 1905 |
| Oper | The Metamorphoses of Dionysus | Mikis Theodorakis | 1984-85 |
| Operette | The Mikado, or The Town of Titipu | Arthur Sullivan | 1880-85 ? |
| Oper | The Mines of Sulphur | Richard Rodney Bennett | 1963 |
| Singspiel | The Miracle or The Cracovians and The Highlanders | Jan Stefani | 1794 |
| Oper | The Mute Girl of Portici | Daniel-François-Esprit Auber | 1828 |
| Oper | The Nightingale | Igor Fjodorowitsch Strawinski | 1908-14 |
| Oper | The Noblewoman Vera Sheloga | Nikolai Andrejewitsch Rimski-Korsakow | 1877-78 |
| Oper | The Oath | Giuseppe Saverio Mercadante | 1837 |
| Oper | The Oresteia | Sergei Iwanowitsch Tanejew | 1887-94 |
| Oper | The Ostrobothnians | Leevi Madetoja | 1918-23 |
| Oper | The Patient Socrates | Georg Philipp Telemann | 1720 |
| Oper | The Pearl Fishers | Georges Bizet | 1863 |
| Operette | The Pearls of Cleopatra | Oscar Straus | ? |
| Oper | The Perfect Fool | Gustav Holst | 1918-22 |
| Oper | The Piper of Hamelin | Nicolas Flagello | 1970 |
| Oper | The Pirate | Vincenzo Bellini | 1827 |
| Oper | The Poor Sailor | Darius Milhaud | 1926, rev. 1934 |
| Oper | The Prodigal Son | Amilcare Ponchielli | 1880 |
| Oper | The Proud, Overthrown and Again Exalted Croesus | Reinhard Keiser | 1710, rev. 1730 |
| Oper | The Queen of Cornwall | Rutland Boughton | 1923-24 |
| Oper | The Queen of Sheba | Charles François Gounod | 1861, rev. 1862 |
| Oper | The Queen of Spades | Peter Iljitsch Tschaikowski | 1890 |
| Oper | The Rape of Lucretia | Benjamin Britten | 1946, rev. 1947 |
| Oper | The Return from Abroad | Felix Mendelssohn Bartholdy | 1829 |
| Oper | The Rhinegold | Richard Wagner | 1851-54 |
| Oper | The Ring of Polykrates | Erich Wolfgang Korngold | 1913-14 |
| Bühnenmusik | The Ruins of Athens | Ludwig van Beethoven | 1811 |
| Zarzuela | The Saffron Rose | Jacinto Guerrero | 1930 |
| Oper | The Saint of Bleecker Street | Gian Carlo Menotti | 1954 |
| Oper | The Sickle | Alfredo Catalani | 1875 |
| Oper | The Silken Ladder | Gioacchino Rossini | 1812 |
| Oper | The Singing Tree | Erik Valdemar Bergman | 1988 |
| Oper | The Sleepwalker | Vincenzo Bellini | ? |
| Oper | The Stranger | Vincenzo Bellini | 1828 |
| Oper | The Stubborn Lovers | Antonín Dvořák | 1874 |
| Oper | The Sunken Bell | Ottorino Respighi | 1924-27 |
| Oper | The Swiss Family | Joseph Weigl | 1809 |
| Oper | The Tailors of Schonau | Jan Willem Frans Brandts-Buys | 1916 |
| Oper | The Tale of Tsar Saltan | Nikolai Andrejewitsch Rimski-Korsakow | 1899-1900 |
| Oper | The Tempest or The Enchanted Island | Henry Purcell | 1695 |
| Oper | The Troubadour | Giuseppe Verdi | 1852 |
| Oper | The Tsar's Bride | Nikolai Andrejewitsch Rimski-Korsakow | 1898 |
| Oper | The Turn of the Screw | Benjamin Britten | 1954 |
| Oper | The Tutor Embarrassed | Gaetano Donizetti | 1823-24, rev. 1826 |
| Singspiel | The Twin-Brothers | Franz Schubert | 1819 |
| Oper | The Two Little Savoyards | Nicolas-Marie Dalayrac | 1789 |
| Singspiel | The Two Pedagogues | Felix Mendelssohn Bartholdy | 1821 |
| Oper | The Valkyrie | Richard Wagner | 1851-56 |
| Oper | The Vampire | Heinrich August Marschner | 1828 |
| Oper | The Vestal Virgin | Giuseppe Saverio Mercadante | 1840 |
| Oper | The Wedding on the Alpine Pasture | Michael Haydn | 1768 ? |
| Oper | The Widow of Ephesus | Hermann Reutter | 1954, rev. 1966 |
| Oper | The Willis or The Witch-Dancers | Giacomo Puccini | 1884, rev. 1884, 1885 und 1889 |
| Oper | The Wives of the Dead | Alois Bröder | 2008-10 |
| Oper | The Wreckers | Ethel Smyth | 1906 |
| Operette | The Yellow Princess | Camille Saint-Saëns | 1871/72 |
| Oper | Tichi Don [Тихий Дон] | Iwan Iwanowitsch Dserschinski | 1935 |
| Oper | Tiefland | Eugen d'Albert | 1902-03 |
| Singspiel | Till Eulenspiegel | Nikolai Karetnikow | 1965-85 |
| Singspiel | Till l'Espiègle | Nikolai Karetnikow | 1965-85 |
| Oper | Tilman Riemenschneider | Casimir von Pászthory | 1942 |
| Singspiel | Til Ulenschpigel [Тиль Уленшпигель] | Nikolai Karetnikow | 1965-85 |
| Oper | Titus Feuerfuchs oder Liebe, Tücke und Perücke | Heinrich Sutermeister | 1958 |
| Oper | Torneo notturno | Gian Francesco Malipiero | 1929 |
| Oper | Tosca | Giacomo Puccini | 1896-99 |
| Oper | Tote Seelen | Rodion Konstantinowitsch Schtschedrin | 1966-77 |
| Oper | Treemonisha | Scott Joplin | 1908-10 |
| Oper | Tristan and Isolde | Richard Wagner | 1857-59 |
| Oper | Tristan et Isolde | Richard Wagner | 1857-59 |
| Oper | Tristan und Isolde | Richard Wagner | 1857-59 |
| Oper | Trouble in Tahiti | Leonard Bernstein | 1952 |
| Oper | Tscharodeika [Чародейка] | Peter Iljitsch Tschaikowski | 1885-87 |
| Oper | Turandot | Ferruccio Busoni | 1916-17 |
| Oper | Tvrdé palice | Antonín Dvořák | 1874 |
| Oper | Twilight of the Gods | Richard Wagner | 1848-74 |
| Oper | Una lettera d'amore di Lord Byron | Raffaello de Banfield | 1955 |
| Oper | Un ballo in maschera | Giuseppe Verdi | 1857-58 |
| Oper | Un bal masqué | Giuseppe Verdi | 1857-58 |
| Oper | Undine | Albert Lortzing | 1843-45 |
| Oper | Une tragédie florentine | Alexander von Zemlinsky | 1915-16 |
| Oper | Un Giorno di Regno | Giuseppe Verdi | ? |
| Oper | Uno sguardo dal ponte | Renzo Rossellini | 1961 |
| Oper | Un re in ascolto | Luciano Berio | 1984 |
| Oper | Unverhofftes Wiedersehen | Alois Bröder | 2014-15 |
| Oper | Vanda | Antonín Dvořák | 1875 |
| Oper | Vanessa | Samuel Barber | 1957 |
| Oper | Vårnatt | Gerhard Rosenkrone Schjelderup | 1905 |
| Operette | Vater der Rosen | Jenő Huszka | 1905 |
| Operette | Venus in Seide | Robert Stolz | 1932 |
| Operette | Venus in Silk | Robert Stolz | 1932 |
| Oper | Veselohra na mostě | Bohuslav Martinů | 1935 |
| Oper | Vier Heilige in drei Akten | Virgil Thomson | 1927-28 |
| Operette | Viktoria und ihr Husar | Paul Abraham | 1930 |
| Oper | Vologeso | Niccolò Jommelli | 1766, rev. 1769 |
| Oper | Voyevoda | Peter Iljitsch Tschaikowski | 1867/68 |
| Oper | V studni | Vilém Blodek | 1866-67 |
| Oper | Vu du pont | Renzo Rossellini | 1961 |
| Oper | Wallenberg | Erkki-Sven Tüür | 2000 |
| Oper | Wanda | Antonín Dvořák | 1875 |
| Oper | Wenn ich König wär | Charles Adolphe Adam | 1852 |
| Musical | West Side Story | Leonard Bernstein | 1957 |
| Operette | White Horse Inn | Ralph Benatzky | 1930 |
| Operette | Wie einst im Mai | Walter Kollo | 1913 |
| Operette | Wiener Blut | Johann (Sohn) Strauss | 1899 |
| Oper | Wojewoda [Воевода] | Peter Iljitsch Tschaikowski | 1867/68 |
| Oper | Wozzeck | Alban Berg | 1917-22 |
| Oper | Yerma | Heitor Villa-Lobos | 1955/56 |
| Oper | Yolimba oder Die Grenzen der Magie | Wilhelm Killmayer | 1962-63, rev. 1970 |
| Oper | Zacharias, der Ikonenmaler | Marin Goleminow | ? |
| Oper | Zahari, the Icon Painter | Marin Goleminow | ? |
| Singspiel | Zaide | Wolfgang Amadeus Mozart | 1779/80 |
| Oper | Zaira | Vincenzo Bellini | ? |
| Oper | Zampa, or The Marble Bride | Louis Joseph Ferdinand Hérold | 1831 |
| Oper | Zampa oder Die Marmorbraut | Louis Joseph Ferdinand Hérold | 1831 |
| Oper | Zampa ou La Fiancée de marbre | Louis Joseph Ferdinand Hérold | 1831 |
| Oper | Zarskaja newesta [Царская невеста] | Nikolai Andrejewitsch Rimski-Korsakow | 1898 |
| Oper | Zar und Zimmermann | Albert Lortzing | 1837 |
| Oper | Zazà | Ruggero Leoncavallo | 1899 |
| Oper | Zelmira | Gioacchino Rossini | 1822 |
| Oper | Zelmire | Gioacchino Rossini | 1822 |
| Oper | Zografat Zaharij [Зографът Захарий] | Marin Goleminow | ? |
| Oper | Zoraïda di Granata | Gaetano Donizetti | 1821, rev. 1823 |
| Oper | Zoroastre | Jean-Philippe Rameau | 1749, rev. 1756 |
| Oper | Zuzana Vojířová | Jiří Pauer | 1954-57, rev. 1958 und 1959 |