| Artist name | Roles | Recordings |
|---|---|---|
| Trebek | ||
| Windsbacher Knabenchor (Boys choir) | ||
| 斉藤由貴 (idol) | ||
| Co-Fusion | remixer | Soul Bangin' |
| DJ Krush | remixer | Soul Bangin' (DJ Krush 80's mix) |
| Artist name | Roles | Recordings |
|---|---|---|
| Co-Fusion | remixer | Soul Bangin' |
| DJ Krush | remixer | Soul Bangin' (DJ Krush 80's mix) |
| Pras Michel | performer | NEVER TURN BACK (FEATURING PRAS) |
| Artist name | Roles | Recordings |
|---|---|---|
| Trebek | vocal | Keep Holding U |
| Windsbacher Knabenchor | performer | Outro |
| 斉藤由貴 | vocal | 土曜日のタマネギ |