| Official |
|---|
| 1.13 | The Mikado: Act I. “Were you not to Ko-Ko plighted” (Nanki-Poo, Yum-Yum) | 2:29 | Gilbert & Sullivan | The Mikado (Glyndebourne Festival Chorus, Pro Arte Orchestra feat. conductor: Sir Malcolm Sargent) | Gilbert & Sullivan | Album + Soundtrack | | EMI Music Argentina | ALP 1485, ALP 1486 |
| 1.13 | The Mikado: Act I. “Were you not to Ko-Ko plighted” (Nanki-Poo, Yum-Yum) | 2:29 | Gilbert & Sullivan | The Mikado (Glyndebourne Festival Chorus, Pro Arte Orchestra feat. conductor: Sir Malcolm Sargent) | Gilbert & Sullivan | Album + Soundtrack | | EMI Music Argentina | CDS7 47773-8 |
| 1.13 | The Mikado: Act I. “Were you not to Ko-Ko plighted” (Nanki-Poo, Yum-Yum) | 2:29 | Gilbert & Sullivan | The Mikado (Glyndebourne Festival Chorus, Pro Arte Orchestra feat. conductor: Sir Malcolm Sargent) | Gilbert & Sullivan | Album + Soundtrack | | EMI | CDC 7 47773 2 |
| 1.13 | The Mikado: Act I. “Were you not to Ko-Ko plighted” (Nanki-Poo, Yum-Yum) | 2:29 | Gilbert & Sullivan | The Mikado | Gilbert & Sullivan; Sir Malcolm Sargent, Owen Brannigan, Richard Lewis, Geraint Evans, Ian Wallace, John Cameron, Elsie Morison, Marjorie Thomas, Jeannette Sinclair, Monica Sinclair | Album + Soundtrack | | EMI Classics | CDMB 64403 |