- It Is Enough by Bartholomew, William
- It Is Enough by Mendelssohn, Felix
- J’ai des yeux by Barbier, Paul Jules
- J’ai des yeux by Offenbach, Jacques
- Ja, es sollen wohl Berge weichen by Mendelssohn, Felix
- Ja, es sollen wohl Berge weichen by Schubring, Julius
- Ja, glühend, wie des Südens Hauch by Wagner, Richard
- Ja, glühend, wie des Südens Hauch by Wagner, Richard
- Junto al puente de la peña by Serrano, José
- Junto al puente de la peña by Romero Saráchaga, Federico
- L’Infant Carlos, notre espérance by Méry, Joseph
- L’Infant Carlos, notre espérance by Locle, Camille du
- L’Infant Carlos, notre espérance by Verdi, Giuseppe
- La donna russa by Giordano, Umberto
- La donna russa by Colautti, Arturo
- La sua lampada vitale… Tremate, o miseri, voi mi vedrete by Maffei, Andrea
- La sua lampada vitale… Tremate, o miseri, voi mi vedrete by Verdi, Giuseppe
- Largo al factotum by Sterbini, Cesare
- Largo al factotum by Rossini, Gioachino
- Leb’ wohl by Wagner, Richard
- Leb’ wohl by Wagner, Richard
- Léonor! Viens, j’abandonne… Léonor! Mon amour brave by Royer, Alphonse
- Léonor! Viens, j’abandonne… Léonor! Mon amour brave by Donizetti, Gaetano
- Lieben, Hassen, Hoffen, Zagen by Strauss, Richard
- Lieben, Hassen, Hoffen, Zagen by Hofmannsthal, Hugo von
- Lina, pensai che un angelo… Oh gioia inesprimibile by Piave, Francesco Maria
- Lina, pensai che un angelo… Oh gioia inesprimibile by Verdi, Giuseppe
- Lo vedremo, veglio audace by Piave, Francesco Maria
- Lo vedremo, veglio audace by Verdi, Giuseppe
- Lord God of Abraham by Bartholomew, William
- Lord God of Abraham by Mendelssohn, Felix
- Ma pauvre enfant chérie by Cain, Henri
- Ma pauvre enfant chérie! by Massenet, Jules
- Mab, la reine des mensonges by Gounod, Charles
- Mab, la reine des mensonges by Barbier, Paul Jules
- Mab, la rene des mensonges by Carré, Michel
- Mais celle qui devint ma femme by Massenet, Jules
- Mais celle qui devint ma femme by Grémont, Henri
- Mais celle qui devint ma femme by Milliet, Paul
- Mais celle qui devint ma femme by Blau, Édouard
- Maudite à jamais soit la race by Lemaire, Ferdinand
- Maudite à jamais soit la race by Saint-Saëns, Charles Camille
- Meco tu vieni, o misera by Bellini, Vincenzo
- Meco tu vieni, o misera by Romani, Felice
- Mein Sehnen, mein Wähnen by Korngold, Erich Wolfgang
- Mein Sehnen, mein Wähnen by Korngold, Erich Wolfgang
- Mein Vater! Hochgesegneter der Helden by Wagner, Richard
- Mein Vater! Hochgesegneter der Helden! by Wagner, Richard
- Metà di voi qua vadano by da Ponte, Lorenzo
- Metà di voi qua vadano by Mozart, Wolfgang Amadeus
- Mi aldea by Guerrero, Jacinto
- Mi aldea by Ramos Martín, José
- Mi si affaccia un pugnal by Piave, Francesco Maria
- Mi si affaccia un pugnal by Maffei, Andrea
- Mi si affaccia un pugnal by Verdi, Giuseppe
- Mina, pensai che un angelo… Oh gioia inesprimibile by Piave, Francesco Maria
- Mina, pensai che un angelo… Oh gioia inesprimibile by Verdi, Giuseppe
- Minnie, dalla mia casa by Civinini, Guelfo
- Minnie, dalla mia casa by Puccini, Giacomo
- Minnie, dalla mia casa by Zangarini, Carlo
- Ne bronchez pas, soyez gentille by Gille, Philippe
- Ne bronchez pas, soyez gentille by Massenet, Jules
- Ne bronchez pas, soyez gentille by Meilhac, Henri
- Nemico della Patria by Illica, Luigi
- Nemico della Patria by Giordano, Umberto
- Nicht send’ ich dich mehr aus Walhall by Wagner, Richard
- Nicht send’ ich dich mehr aus Walhall by Wagner, Richard
- Non siate ritrosi by Mozart, Wolfgang Amadeus
- Non siate ritrosi by da Ponte, Lorenzo
- Nulla! Silenzio! by Adami, Giuseppe
- Nulla! Silenzio! by Puccini, Giacomo
- O du, mein holder Abendstern by Wagner, Richard
- O du, mein holder Abendstern by Wagner, Richard
- O Himmel, lass’ dich jetzt erflehen by Wagner, Richard
- O Himmel, lass’ dich jetzt erflehen by Wagner, Richard
- O Lisbona, alfin ti miro by Ruffini, Giovanni
- O Lisbona, alfin ti miro by Donizetti, Gaetano
- O monumento! by Ponchielli, Amilcare
- O monumento! by Boito, Arrigo
- Ô Nadir, tendre ami de mon jeune âge by Cormon, Eugène
- Ô Nadir, tendre ami de mon jeune âge by Carré, Michel
- Ô Nadir, tendre ami de mon jeune âge by Bizet, Georges
- O puissante magie by Carré, Michel
- O puissante magie by Meyerbeer, Giacomo
- O puissante magie by Barbier, Paul Jules
- O vecchio cor, che batti by Piave, Francesco Maria
- O vecchio cor, che batti by Verdi, Giuseppe
- Ô vin, dissipe la tristesse by Barbier, Paul Jules
- Ô vin, dissipe la tristesse by Carré, Michel
- Ô vin, dissipe la tristesse by Thomas, Ambroise
- Oh refrigerio by Verdi, Giuseppe
- Oh refrigerio! by Piave, Francesco Maria
- Oh, de’ verd’anni miei by Piave, Francesco Maria
- Oh, de’ verd’anni miei by Verdi, Giuseppe
- Papagena! Papagena! Papagena! by Schikaneder, Emanuel
- Papagena! Papagena! Papagena! by Mozart, Wolfgang Amadeus
- Pareami che sorte da lauto convito by Maffei, Andrea
- Pareami che sorte da lauto convito by Verdi, Giuseppe
- Pari siamo! by Piave, Francesco Maria
- Pari siamo! by Verdi, Giuseppe