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Disc1
| 1 | Optimistic (7" Version) | Sounds of Blackness | 3:50 |
| 2 | Optimistic (Album Version) | Sounds of Blackness | 5:24 |
| 3 | Optimistic (12" Alright Mix) | Sounds of Blackness | 8:32 |
| 1 | Optimistic (7" Version) | Sounds of Blackness | 3:50 |
| 2 | Optimistic (Album Version) | Sounds of Blackness | 5:24 |
| 3 | Optimistic (12" Alright Mix) | Sounds of Blackness | 8:32 |