| Musician | Appearances |
|---|---|
| Les Claypool | 11 albums |
| Larry "Ler" LaLonde | 11 albums |
| Tim "Herb" Alexander | 7 albums |
| Bryan "Brain" Mantia | 3 albums |
| Tom Waits | 2 albums |
| Sam Bass | 1 album |
| Mike Dillon | 1 album |
| James Hetfield | 1 album |
| Todd Huth | 1 album |
| Jay Lane | 1 album |
| Jim Martin | 1 album |
| Tom Morello | 1 album |
| Martina Topley-Bird | 1 album |