Madama Butterfly, Act 2: Coro a bocca chiusa (Humming Chorus)

1 Madama Butterfly, Act 2: Tu? tu? Piccolo Iddio! (Butterfly, Pinkerton) [Edit]
2 Madama Butterfly, Act 1: Dovunque Al Mondo
3 Madama Butterfly, Act 2: Un bel dì vedremo
4 Madama Butterfly, Act 2: Coro a bocca chiusa (Humming Chorus)