- Mache dich, mein Herze, rein by Picander (Christian Friedrich Henrici)
- Madamina, il catalogo è questo by da Ponte, Lorenzo
- Madamina, il catalogo è questo by Mozart, Wolfgang Amadeus
- Marchez dans mon chemin by Massenet, Jules
- Marchez dans mon chemin by Cain, Henri
- Mein Herr und Gott, nun ruf’ ich dich by Wagner, Richard
- Mein Herr und Gott, nun ruf’ ich dich by Wagner, Richard
- Mein teurer Heiland, lass dich fragen by Bach, Johann Sebastian
- Mein teurer Heiland, lass dich fragen by Luther, Martin
- Mentre gonfiarsi l’anima… Oltre a quel limite by Solera, Temistocle
- Mentre gonfiarsi l’anima… Oltre a quel limite by Verdi, Giuseppe
- Mentre ti lascio by Mozart, Wolfgang Amadeus
- Mentre ti lascio by Anonymous Italian Poets
- Miei rampolli femminini by Ferretti, Jacopo
- Miei rampolli femminini by Rossini, Gioachino
- Mirate che contrasto by Mozart, Wolfgang Amadeus
- Mirate che contrasto by Calzabigi, Raniero de’
- Mögst du, mein Kind by Wagner, Richard
- Mögst du, mein Kind by Wagner, Richard
- More Sweet Is That Name by Händel, Georg Friedrich
- More Sweet Is That Name by Congreve, William
- My Boy, You May Take It from Me by Gilbert, William Schwenck
- My Boy, You May Take It from Me by Sullivan, Sir Arthur
- Nach der welschen Art und Weise by Mozart, Wolfgang Amadeus
- Nach der welschen Art und Weise by Calzabigi, Raniero de’
- Nasce al bosco by Händel, Georg Friedrich
- Nasce al bosco in rozza cuna by Metastasio, Pietro
- Nel mare solca by da Ponte, Lorenzo
- Nel mare solca by Mozart, Wolfgang Amadeus
- Nel riposo e nel contento by Händel, Georg Friedrich
- Nel riposo e nel contento by Rolli, Paolo Antonio
- Next Winter Comes Slowly by Settle, Elkanah
- Next Winter Comes Slowly by Purcell, Henry
- Noch bleibe denn unausgesprochen by Wagner, Richard
- Noch bleibe denn unausgesprochen by Wagner, Richard
- Non più andrai by da Ponte, Lorenzo
- Non più andrai by Mozart, Wolfgang Amadeus
- Non so d’onde viene by Metastasio, Pietro
- Non so d’onde viene by Mozart, Wolfgang Amadeus
- Non so d’onde viene by Mozart, Wolfgang Amadeus
- Nonnes, qui repose by Delavigne, Germain
- Nonnes, qui repose by Meyerbeer, Giacomo
- Nonnes, qui repose by Scribe, Eugène
- Notte e giorno faticar by da Ponte, Lorenzo
- Notte e giorno faticar by Mozart, Wolfgang Amadeus
- Nun hört, und versteht mich recht by Wagner, Richard
- Nun hört, und versteht mich recht! by Wagner, Richard
- Nun scheint in vollem Glanze der Himmel by Brockes, Barthold Heinrich
- Nun scheint in vollem Glanze der Himmel by Haydn, Franz Joseph
- Nur mutig, mein Herze by Mozart, Wolfgang Amadeus
- Nur mutig, mein Herze by Schachtner, Johann Andreas
- O Gnade! Höchstes Heil! by Wagner, Richard
- O Gnade! Höchstes Heil! by Wagner, Richard
- O Isis und Osiris by Mozart, Wolfgang Amadeus
- O Isis und Osiris by Schikaneder, Emanuel
- Ô jours heureux by Scribe, Eugène
- Ô jours heureux by Meyerbeer, Giacomo
- O sancta justitia by Lortzing, Gustav Albert
- O sancta justitia! by Lortzing, Gustav Albert
- O tu ch’innanzi morte by Striggio, Alessandro
- O tu ch’innanzi morte by Monteverdi, Claudio
- O tu, Palermo terra adorata… Santo amor che in me favelli by Verdi, Giuseppe
- O tu, Palermo terra adorata… Santo amor che in me favelli by Caimi, Ettore
- O wunden-wundervoller heiliger Speer by Wagner, Richard
- O wunden-wundervoller heiliger Speer! by Wagner, Richard
- O, wie will ich triumphieren by Stephanie der Jüngere, Johann Gottlieb
- O, wie will ich triumphieren by Mozart, Wolfgang Amadeus
- Ogni momento dicon le donne by Mozart, Wolfgang Amadeus
- Ogni momento dicon le donne by Varesco, Giambattista
- Ombre di mia prosapia by Boito, Arrigo
- Ombre di mia prosapia by Ponchielli, Amilcare
- Oui, des choristes du théâtre by Brunswick, Léon Lévy
- Oui, des choristes du théâtre by Adam, Adolphe
- Oui, des choristes du théâtre by Leuven, Adolphe de
- Padre che arridi a’ tuoi fedel by Lauzières, Achille de
- Padre che arridi a’ tuoi fedel by Verdi, Giuseppe
- Per questa bella mano by Mozart, Wolfgang Amadeus
- Per questa bella mano by Anonymous Italian Poets
- Pour les couvents, c’est fini by Scribe, Eugène
- Pour les couvents, c’est fini by Meyerbeer, Giacomo
- Pour les couvents, c’est fini by Deschamps, Émile
- Pro peccatis – Rossini by Anonymous Latin Texts
- Pro peccatis – Rossini by Rossini, Gioachino
- Pur ritorno a rimirarvi by Händel, Georg Friedrich
- Pur ritorno a rimirarvi by Grimani, Vincenzo
- Qu’on est digne d’envie by d’Ennery, Adolphe
- Qu’on est digne d’envie by Massenet, Jules
- Qu’on est digne d’envie by Blau, Édouard
- Qu’on est digne d’envie by Gallet, Louis
- Quand la flamme de l’amour by Vernoy de Saint-Georges, Jules-Henri
- Quand la flamme de l’amour by Adenis, Jules
- Quand la flamme de l’amour by Bizet, Georges
- Quando mi sei vicina by Rossini, Gioachino
- Quando mi sei vicina by Sterbini, Cesare
- Qui donc élève ici la voix by Lemaire, Ferdinand
- Qui donc élève ici la voix? by Saint-Saëns, Charles Camille
- Quia fecit mihi magna – JS Bach by Bach, Johann Sebastian
- Quia fecit mihi magna – JS Bach by Anonymous Latin Texts
- Quoniam tu solus sanctus – JS Bach by Anonymous Latin Texts
- Quoniam tu solus sanctus – Rossini by Anonymous Latin Texts