| Musician | Appearances |
|---|---|
| Scott Thunes | 4 albums |
| Dweezil Zappa | 4 albums |
| Ahmet Zappa | 3 albums |
| Terry Bozzio | 2 albums |
| Mike Keneally | 2 albums |
| Morgan Ã…gren | 1 album |
| Bryan Beller | 1 album |
| Nuno Bettencourt | 1 album |
| Bobby Blotzer | 1 album |
| Gary Cherone | 1 album |
| Warren De Martini | 1 album |
| Jason Freese | 1 album |
| Josh Freese | 1 album |
| Beau Hill | 1 album |
| Lisa Loeb | 1 album |
| Christopher Maloney | 1 album |
| Mark Meadows | 1 album |
| Tim Pierce | 1 album |
| Blues Saraceno | 1 album |
| Steve Smith | 1 album |
| Joe Travers | 1 album |
| Tom Vu | 1 album |
| Chad Wackerman | 1 album |
| Zakk Wylde | 1 album |