| Artist name | Roles | Recordings |
|---|---|---|
| The Mercer Brothers | ||
| J.R. Writer (US rapper, Rusty Brito, Diplomats member) | ||
| Markku Mäkelä | ||
| Skatterman & Snug Brim | ||
| Sudie Belle Palmer |
| Artist name | Roles | Recordings |
|---|---|---|
| Travis Barker (American producer and drummer of Blink-182) | producer | Take Notes |