Steve Vai – everything (tracks 1, 2, 3, 6, 8 & 9), everything else (track 7, 10, 11 & 13), guitars (tracks 4, 5 & 12), vocals (track 12)
Koshi Inaba - vocals (track 13)
Tak Matsumoto - guitar (track 13)
Mike Keneally - keyboards (track 7)
John Sergio – bass (track 4)
Philip Bynoe – bass (tracks 5,7 & 12)
Bryan Beller – bass (tracks 10 & 11)
Gregg Bissonette - drums (track 4)
Mike Mangini - drums (tracks 5, 7 & 12)
Robin DiMaggio - drums (track 10)
Andy Cleaves - trumpet (track 10)
Duane Benjamin - trombone (track 10)
Niels Bye Nielsen - orchestration (track 10)