Steve Vai – guitar, keyboard, Eventide H3000 harmonizer, drum programming, bass, engineering, production
Tommy Mars – organ (track 7)
Deen Castronovo – drums (tracks 3, 4, 6, 7)
Julian Vai – baby vocals (track 5)
Sergio Buss – engineering assistance
Bernie Grundman – mastering
Pam Daney – production assistance