| Officiel |
|---|
| 1.5 | One Day | ?:?? | 2 Brothers on the 4th Floor | Best Of | 2 Brothers on the 4th Floor | Album + Compilation | | | |
| 1.5 | One Day (radio version) | 3:15 | 2 Brothers on the 4th Floor | Best Of | 2 Brothers on the 4th Floor | Album + Compilation | | CNR Music , Tabtoo B.V. | |
| 1.5 | One Day (radio version) | 3:15 | 2 Brothers on the 4th Floor | Best Of | 2 Brothers on the 4th Floor | Album + Compilation | | Tabtoo B.V. | |
| 1.11 | One Day | 3:16 | 2 Brothers on the 4th Floor | The Very Best Of (25th Anniversary Edition) | 2 Brothers on the 4th Floor | Album + Compilation | | CNR Music | 22 604418 2 |
| 1.11 | One Day (radio version) | 3:15 | 2 Brothers on the 4th Floor | The Very Best Of (25th Anniversary Edition) | 2 Brothers on the 4th Floor | Album + Compilation | | CNR Music | |
| 1.11 | One Day (radio version) | 3:15 | 2 Brothers on the 4th Floor | The Very Best Of (25th Anniversary Edition) | 2 Brothers on the 4th Floor | Album + Compilation | | CNR Music | |