Rock 1970.10.23 CD, LP Studio Rykodisc ASIN: B0000009S8 Frank Zappa Flo & Eddie - Vocals; George Duke - Organ, Trombone, Piano (Electric), Sound Effects, Vocals; Jeff Simmons - Bass, Guitar, Vocals; Aynsley Dunbar - Guitar, Drums, Tambourine; Max Bennett - Bass; John Guerin - Drums; Don "Sugarcane" Harris - Organ, Violin, Vocals; Howard Kaylan - Vocals; Ian Underwood - Organ, Guitar, Piano, Guitar (Rhythm), Piano (Electric), Saxophone, Sax (Alto), Sax (Tenor), Pipe Organ; Mark Volman - Vocals; Max Bennet - Bass The Phlorescent Leech & Eddie - Vocals Time 40:22 <br> Frank Zappa - Guitar, Percussion, Arranger, Composer, Drums, Harpsichord, Keyboards, Tom-Tom, Vocals, Producer, Wood Block, Temple Blocks, Boobams