| Official |
|---|
| 1.15 | Madama Butterfly: Atto II. Humming Chorus | 2:52 | Giacomo Puccini | Madame Butterfly: Highlights | Puccini; Price, Tucker, RCA Italiana Opera Orchestra, Leinsdorf | Album | | RCA Victor | 09026-68089-2 |
| 2.10 | Madama Butterfly: Atto II. Coro a bocca chiusa | 2:48 | Giacomo Puccini | Madama Butterfly | Giacomo Puccini; Leontyne Price, Richard Tucker, Philip Maero, Rosalind Elias, Orchestra della RCA Italiana, Coro della RCA Italiana, Erich Leinsdorf | Album | | RCA Red Seal | 74321 39497 2 |
| 2.10 | Madama Butterfly: Atto II. Humming Chorus | 2:51 | Giacomo Puccini | Madama Butterfly | Puccini; Leontyne Price, Richard Tucker, Rosalind Elias, Philip Maero, Erich Leinsdorf | Album | | RCA Victor | 09026-68884-2 |
| 1.18 | Madama Butterfly: Act II. Humming Chorus | 2:49 | Giacomo Puccini | Verdi & Puccini: Scenes & Arias | Verdi, Puccini; Plácido Domingo, Leontyne Price, Carlo Bergonzi, Margaret Price, Anna Moffo, Richard Tucker, Montserrat Caballé, Ben Heppner, Ruggero Raimondi | Album + Compilation | | BBC Music Magazine , RCA Victor Red Seal | BBC IT OP |
| 1.16 | Madama Butterfly, Act II: Humming Chorus | 2:51 | Giacomo Puccini | UltraSound: Music for the Unborn Child | Various Artists | Album + Compilation | | RCA | |
| 2.11 | Humming Chorus (Madame Butterfly) | 2:53 | Giacomo Puccini | Classic FM: Hall of Fame Gold | Various Artists | Album + Compilation | | Classic FM | CFMCD36 |
| 2.10 | Madama Butterfly: Atto II. Coro a bocca chiusa | 2:48 | Giacomo Puccini | Madama Butterfly | Puccini; Leontyne Price, Richard Tucker, Rosalind Elias, Philip Maero, Erich Leinsdorf | Album | | RCA Red Seal | 82876-82622-2 |
| 46.10 | Madama Butterfly: Atto II. Humming Chorus | 2:55 | Giacomo Puccini | Living Stereo: 60 CD Collection | Various Artists | Album + Compilation | | RCA Red Seal | S70475C |
| 46.10 | Madama Butterfly: Act II. Humming Chorus | 2:55 | Giacomo Puccini | Living Stereo: 60 CD Collection | Various Artists | Album + Compilation | | RCA Red Seal | 88765414972 |
| 15.10 | Madama Butterfly Act II: Humming Chorus | 2:51 | Giacomo Puccini | Ich mag keine Klassik, aber das gefällt mir | Various Artists | Album | | RCA Red Seal | |
| 21.10 | Madama Butterfly: Atto II. Humming Chorus | 2:51 | Giacomo Puccini | Prima Donna Assoluta: Her Ultimate Opera Recordings - Remastered | Leontyne Price | Album + Compilation | | RCA Red Seal, Sony Classical | 88985311342 |
| 2.10 | Madama Butterfly: Atto II. Coro a bocca chiusa | 2:51 | Giacomo Puccini | Madama Butterfly | Giacomo Puccini; Leontyne Price, Rosalind Elias, Richard Tucker, Philip Maero, RCA Italiana Opera Orchestra & Chorus, Erich Leinsdorf | Album | | Brilliant Classics | 99504 |