| Musician | Appearances |
|---|---|
| Dave Meros | 17 albums |
| Alan Morse | 17 albums |
| Ryo Okumoto | 16 albums |
| Nick D'Virgilio | 14 albums |
| Neal Morse | 10 albums |
| Jimmy Keegan | 6 albums |
| John Boegehold | 3 albums |
| Ted Leonard | 3 albums |
| Chris Carmichael | 2 albums |
| Molly Pasutti | 2 albums |
| Gina Ballina | 1 album |
| Craig Eastman | 1 album |
| John Garr | 1 album |
| Katie Hagen | 1 album |
| Jim Hoke | 1 album |
| Byron House | 1 album |
| Wanda Houston | 1 album |
| J'Anna Jacoby | 1 album |
| Kathy Ann Lord | 1 album |
| Joey Pippin | 1 album |
| David Ragsdale | 1 album |
| Neil Rosengarden | 1 album |
| Steve Velez | 1 album |
| Joy Worland | 1 album |