Official Release #6 Originally Released: March 1969 Produced by: FZ The Mothers of Invention: Frank Zappa: guitar, low grade vocals, percussion Ray Collins: swell vocals Jimmy Carl Black: drums, droll humor, poverty Roy Estrada: electric bass, chesseburgers, Pachuco falsetto Don (Dom De Wild) Preston: electric piano, tarot cards, brown rice Billy (The Oozer) Mundi: drums on some pieces before he quit to join RHINOCEROS Bunk (Sweetpants) Gardner: piccolo, flute, clarinet, bass clarinet, soprano sax, alto sax, tenor sax, bassoon (all of these electric and/or non-electric depending) Ian Underwood: electric organ, piano, harpsichord, celeste, flute, clarinet, alto sax, baritone sax, special assistance, copyist, industrial relations & teen appeal Artie (With the Green Mustache) Tripp: drums, timpani, vibes, marimba, xylophone, wood blocks, bells, small chimes, cheerful outlook & specific enquiries Euclid James (Motorhead/Motorishi) Sherwood: pop star, frenetic tenor sax stylings, tambourine, choreography, obstinance & equipment setter-upper when he"s not hustling local groupies Special thanks to: Ruth Komanoff who plays marimba and vibes with Artie on many of the tracks, and Nelcy Walker the soprano voice with Ray & Roy on Dog Breath & The Uncle Meat Variations Uncredited: Pamela Zarubica as Suzy Creamcheese