| Artist name | Roles | Recordings |
|---|---|---|
| Big Prodeje | performer | California Classic, Old / New, YMS (Skit) |
| DJ Ak (French artist, Hip Hop Producer) | producer | California Classic |
| WestCoast Stone | producer | Old / New |
| Artist name | Roles | Recordings |
|---|---|---|
| The Winchester Club | engineer | Fuck You Buddy, Negative Liberty, RD Laing (Little Chemical Straightjackets), The End of History, The Lonely Robot |