sentence: personnel steve walsh - organ , synthesizers , vibraphone , piano , lead vocals ( except on '' lightning 's hand '' ) , backing vocals , additional percussion robby steinhardt - violins , viola , backing vocals , lead vocals on '' lightning 's hand '' , '' sparks of the tempest '' and '' hopelessly human '' kerry livgren - synthesizer , piano , clavinet , electric and acoustic guitars , additional percussion phil ehart - drums , timpani , chimes , additional percussion dave hope - bass rich williams - electric and acoustic guitars , pedals note : the album 's performing credits listed one joke '' instrument '' for each band member , such as '' chain-driven gong , '' '' autogyro , '' '' rinaldo whistling machine '' and '' peabody chromatic inverter .