The Barber of Seville "Il bacio", the Bolero from Verdi's "I vespri siciliani", the Shadow Song from Meyerbeer's "Dinorah", and Henry Bishop's "Home! Sweet Home!". Nellie Melba followed suit, accompanying herself on the piano in the final song. Pauline Viardot began the practice of inserting Alexander Alyabyev's "Nightingale". Maria Callas sang a cut-down version of Rossini's own "Contro un cor." Once after Patti had sung a particularly florid rendition of the opera's legitimate aria, 'Una voce poco fa', Rossini is reported to have asked her: "Very nice, my dear, and who wrote the piece you have just performed?" The piece is a staple of
Opera buffa opera seria deals with gods and ancient heroes and only occasionally contained comic scenes, "opera buffa" involves the predominant use of comic scenes, characters, and plot lines in a contemporary setting. The traditional model for opera seria had three acts, dealt with serious subjects in mythical settings, as stated above, and used high voices (both sopranos and castrati) for principal characters, often even for monarchs. In contrast, the model that generally held for "opera buffa" was having two acts (as, for example, "The Barber of Seville"), presenting comic scenes and situations as earlier stated and using the lower male voices