Iron Butterfly ( B25 )

1987–1988

• Ron Bushy – drums, percussion
• Erik Brann – guitar, vocals
• Lee Dorman – bass, vocals
• Doug Ingle – organ, vocals

1988

• Erik Brann – guitar, vocals
• Lee Dorman – bass, vocals
• Larry "Rhino" Reinhardt – guitar
• Sal Rodriguez – drums, percussion

1988–1989

• Erik Brann – guitar, vocals
• Lee Dorman – bass, vocals
• Larry "Rhino" Reinhardt – guitar
• Steve "Mick" Feldman – vocals
• Derek Hilland – keyboards, backing vocals
• Kenny Suarez – drums, percussion

Supporting musicians

• Doug Freedman – drums, percussion (substitute – 1989)
• JoAnne Kurman-Montana – backing vocals (live – 1989)
• Cecelia Noel – backing vocals (live – 1989)

1990

• Lee Dorman – bass, vocals
• Larry "Rhino" Reinhardt – guitar
• Steve "Mick" Feldman – vocals
• Derek Hilland – keyboards, backing vocals
• Kenny Suarez – drums, percussion

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