Track listing
All songs written [bad word] 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 [bad word]    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 – [bad word]  vocals
Ray Collins – vocals, tambourine, [bad word] Roy Estrada – bass, vocals
Billy Mundi – [bad word]  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 – [bad word] 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