O.S.T.
SingleTracklist 21:07
| 1 | O.S.T. | 4:16 | |
| 2 | O.S.T. (instrumental) People Under the Stairs | 4:15 | |
| 3 | O.S.T. (radio edit) | 4:04 | |
| 4 | O.S.T. (remix) | 4:14 | |
| 5 | O.S.T. (remix instrumental) People Under the Stairs | 4:16 |
| 1 | O.S.T. | 4:16 | |
| 2 | O.S.T. (instrumental) People Under the Stairs | 4:15 | |
| 3 | O.S.T. (radio edit) | 4:04 | |
| 4 | O.S.T. (remix) | 4:14 | |
| 5 | O.S.T. (remix instrumental) People Under the Stairs | 4:16 |