Rock 1971.10 CD, LP, Cassette Studio Rykodisc ASIN: B0000009SB Frank Zappa Theodore Bikel - Narrator; George Duke - Trombone, Keyboards; Jimmy Carl Black - Vocals; Aynsley Dunbar - Drums; Howard Kaylan - Vocals; Jim Pons - Voices; Ian Underwood - Keyboards, Woodwind; Ruth Underwood - Drums Time 91:49 <br> Frank Zappa - Bass, Guitar, Producer, Orchestration