| Musician | Appearances |
|---|---|
| Paul Gilbert | 4 albums |
| Mike Szuter | 3 albums |
| Bruce Bouillet | 2 albums |
| Jeff Martin | 2 albums |
| Tony Spinner | 2 albums |
| Juan Alderete de la Peña | 1 album |
| Kevin "Linus of Hollywood" Dotson | 1 album |
| Johnny Fedevich | 1 album |
| Kate Gilbert | 1 album |
| Scotty Johnson | 1 album |
| Jimi Kidd | 1 album |
| Marco Minnemann | 1 album |
| Julian Quayle | 1 album |
| David Richardson | 1 album |
| Jeff Scott Soto | 1 album |
| Pat Torpey | 1 album |