| Artist name | Roles | Recordings |
|---|---|---|
| Jill Jones | vocal | In Deep, In Deep (Hi Rhythm mix), Rockman, Rockman (Euro mix) |
| Gassturm | ||
| J-Vibe | ||
| Brenda Lee Eager | vocal | Free, In Deep |
| Nick Thompson (Hit the Lights) |
| Artist name | Roles | Recordings |
|---|---|---|
| Gassturm | engineer, vocal, keyboard | Kyrie, Love Divine, Wild Tribes |
| J-Vibe | vocal, keyboard | Rastafario, Vers le soleil (Towards the Sun) |
| Nick Thompson | keyboard | Get On |