Rock 1971.06 CD, LP, Cassette Live Rykodisc ASIN: B0000009S9 Frank Zappa Don Preston - Bass, Keyboards, Moog Synthesizer, Mini Moog; Aynsley Dunbar - Guitar, Drums; Bob Harris - Keyboards, Vocals; Howard Kaylan - Vocals, Talking, Speech/Speaker/Speaking Part, Dialogue; Jim Pons - Bass, Vocals, Talking, Speech/Speaker/Speaking Part, Dialogue; Ian Underwood - Guitar, Keyboards, Vocals, Wind, Woodwind; Mark Volman - Vocals, Talking, Speech/Speaker/Speaking Part, Dialogue Frank Zappa & The Mothers<br> Time 43:11 <br> Frank Zappa - Guitar, Keyboards, Vocals, Talking, Producer, Speech/Speaker/Speaking Part, Dialogue