Track listing All songs written and composed by Frank Zappa.
Side one: "Absolutely Free" (#1 in a Series of Underground Oratorios) No. Title Length 1. "Plastic People" 3:40 2. "The Duke of Prunes" 2:12 3. "Amnesia Vivace" 1:01 4. "The Duke Regains His Chops" 1:45 5. "Call Any Vegetable" 2:19 6. "Invocation & Ritual Dance of the Young Pumpkin" 6:57 7. "Soft-Sell Conclusion" 1:40
Side two: "The M.O.I. American Pageant" (#2 in a Series of Underground Oratorios) No. Title Length 1. "America Drinks" 1:52 2. "Status Back Baby" 2:52 3. "Uncle Bernie's Farm" 2:09 4. "Son of Suzy Creamcheese" 1:33 5. "Brown Shoes Don't Make It" 7:26 6. "America Drinks & Goes Home" 2:43
Personnel
The Mothers of Invention Frank Zappa – guitar, conductor, vocals Jimmy Carl Black – drums, vocals Ray Collins – vocals, tambourine, PRUNE Roy Estrada – bass, vocals Billy Mundi – drums, percussion Don Preston – keyboards Jim Fielder – guitar, piano Bunk Gardner – woodwinds
Additional personnel
Suzy Creamcheese (Lisa Cohen) – vocals on "Brown Shoes Don't Make It" John Balkin – bass on "Invocation & Ritual Dance of the Young Pumpkin" and "America Drinks" Jim Getzoff – violin on "Brown Shoes Don't Make It" Marshall Sosson – violin on "Brown Shoes Don't Make It" Alvin Dinkin – viola on "Brown Shoes Don't Make It" Armand Kaproff – cello on "Brown Shoes Don't Make It" Don Ellis – trumpet on "Brown Shoes Don't Make It" John Rotella – contrabass clarinet on "Brown Shoes Don't Make It" Herb Cohen – cash register machine sounds on "America Drinks & Goes Home" Terry Gilliam, girlfriend and others – voices in "America Drinks & Goes Home"
(Jim Sherwood was credited as a member of The Mothers on the album's original release, but he actually joined the band during the recording of We're Only in It for the Money, and he isn't featured on this album.)
Production
Producers: Frank Zappa, Tom Wilson Director of engineering: Val Valentin Engineer: Ami Hadani Remixing: David Greene Mastering Engineer: Doug Sax Arranger: Frank Zappa Cover design: Ferenc Dobronyi, Cal Schenkel Layout design: Frank Zappa Cover photo: Alice Ochs Cover art: Frank Zappa Photography: Jerry Deiter Artwork: Alice Ochs Collage: Frank Zappa Liner Notes: Frank Zappa