| Format | Title | Artist | Label | Model Number | Release | Press |
| 12 | BACK 2 DA FUTURE(promo) | CO-KEY | MAINDISH,GROOVE GURU | GMD-F005 | 1999/--/-- | - |
| Side | Track | Title | Produce |
| A | 1 | BACK 2 DA FUTURE | 今井了介 |
| 2 | BACK 2 DA FUTURE(BAD BASS MIX) | - | |
| 3 | BROTHA & SISTA feat.ZEEBRA | DJ CELORY | |
| B | 4 | BACK 2 DA FUTURE(Inst) | 今井了介 |
| 5 | BACK 2 DA FUTURE(Cho Inst) | 今井了介 | |
| 6 | BACK 2 DA FUTURE(BAD BASS MIX)(Inst) | - | |
| 7 | BROTHA & SISTA(Inst) | DJ CELORY |
