| Musician | Appearances |
|---|---|
| Chris Carmichael | 2 albums |
| Nick D'Virgilio | 2 albums |
| Neal Morse | 2 albums |
| Debbie Bresee | 1 album |
| Glenn Caruba | 1 album |
| Susanne Christian | 1 album |
| Jim Hoke | 1 album |
| Lefty Jones | 1 album |
| Neil Rosengarden | 1 album |
| Greg Westall | 1 album |
| Brad Wetmore | 1 album |
| Jordan Zimmerman | 1 album |