| Artist name | Roles | Recordings |
|---|---|---|
| KATSUJI (drummer) | drums | BELIEVE IN MYSELF ...theme of “TAILS” |
| 瀬上純 | arranger, guitars | BELIEVE IN MYSELF ...theme of “TAILS” |
| 種子田健 | bass | BELIEVE IN MYSELF ...theme of “TAILS” |
| Artist name | Roles | Recordings |
|---|---|---|
| Dar Williams | vocal | Party Generation, What Do You Hear in These Sounds |
| Roger Sanchez | vocal | Free |