| recordings |
|---|
| Sing | | Annie Lennox | 4:20 |
| Sing | | Annie Lennox | ?:?? |
| Sing | | Annie Lennox | 4:49 |
| Sing | | Annie Lennox | ?:?? |
| Sing | | Annie Lennox | 4:37 |
| Sing (alternative) | | Annie Lennox | 3:56 |
| Sing (Dean Coiman radio remix) | | Annie Lennox | 4:21 |
| Sing (Dean Coleman Club Mix) | | Annie Lennox | 6:55 |
| Sing (Dean Coleman radio edit) | | Annie Lennox | 4:21 |
| Sing (Full Length version) | | Annie Lennox | 4:19 |
| Sing (Harry Choo Choo Romero Club Mix) | | Annie Lennox | 8:26 |
| Sing (Harry Choo Choo Romero Mix Show) | | Annie Lennox | 5:31 |
| Sing (Harry Choo Choo Romero Radio Mix) | | Annie Lennox | 3:59 |
| Sing (Harry Choo radio mix) | | Annie Lennox | 3:59 |
| Sing (Moto Blanco club mix) | | Annie Lennox | 8:34 |
| Sing (Moto Blanco club mix) | | Annie Lennox | 8:35 |
| Sing (Moto Blanco Dub Mix) | | Annie Lennox | 8:26 |
| Sing (Moto Blanco radio edit) | | Annie Lennox | 3:34 |
| Sing (radio remix) | | Annie Lennox | 3:37 |
| Sing (with artist commentary) | | Annie Lennox | 4:48 |
