| Musician | Appearances |
|---|---|
| Tony Franklin | 5 albums |
| Derek Sherinian | 5 albums |
| Jerry Goodman | 4 albums |
| Simon Phillips | 4 albums |
| Zakk Wylde | 4 albums |
| Steve Lukather | 3 albums |
| Mike Shapiro | 3 albums |
| Brian Tichy | 3 albums |
| Jimmy Johnson | 2 albums |
| Yngwie Malmsteen | 2 albums |
| John DeServio | 1 album |
| Al Di Meola | 1 album |
| Virgil Donati | 1 album |
| Brandon Fields | 1 album |
| Brett Garsed | 1 album |
| Jivan Gasparyan | 1 album |
| Brad Gillis | 1 album |
| Allan Holdsworth | 1 album |
| Saul "Slash" Hudson | 1 album |
| Billy Idol | 1 album |
| Tony Kennedy | 1 album |
| Dimitris Mahlis | 1 album |
| Marco Mendoza | 1 album |
| John Petrucci | 1 album |
| Rufus Philpot | 1 album |
| Billy Sheehan | 1 album |
| Steve Stevens | 1 album |
| John Sykes | 1 album |