| # | Title | Rating | Length |
|---|
| A1 | Brown Shoes Don’t Make It | 4 | 7:26 |
| A2 | Mother People | | 1:41 |
| A3 | The Duke of Prunes | | 5:09 |
| A4 | Call Any Vegetable | | 4:31 |
| A5 | The Idiot Bastard Son | | 2:26 |
| B1 | It Can’t Happen Here | | 3:13 |
| B2 | You’re Probably Wondering Why I’m Here- engineer:
- Ami Hadani, Tom Hidley and Val Valentin
- producer:
- Tom Wilson
- bass guitar and guitar:
- Roy Estrada
- cello:
- Edwin Beach, Paul Bergstrom, Raymond Kelley, Kurt Reher, Emmet Sargeant and Joseph Saxon
- clarinet and saxophone:
- John Rotella
- cymbal, harmonica and tambourine and lead vocals:
- Ray Collins
- drums (drum set):
- Jimmy Carl Black
- flute and saxophone:
- Plas Johnson
- French horn:
- George Price
- French horn and tuba:
- Arthur Maebe
- guitar:
- Elliot Ingber, Carol Kaye, Neil Le Vang and Frank Zappa
- harmonica:
- Paul Butterfield
- percussion:
- Gene Estes and Kenneth Watson
- piano:
- Gene DiNovi, Les McCann and Mac Rebennack
- trombone:
- Dave Wells
- trumpet:
- Roy Caton and Virgil Evans
- tuba:
- Tommy Johnson
- violin:
- David Anderle and Benjamin Barrett
- background vocals:
- Terry Gilliam
- vocals:
- Kim Fowley, Carl Franzoni, Vito Paulekas, Jeannie Vassoir and Frank Zappa
- conductor:
- Frank Zappa
- performer:
- Jim “Motorhead” Sherwood
- arranger:
- Frank Zappa
- recording of:
- You’re Probably Wondering Why I’m Here
- lyricist and composer:
- Frank Zappa
| 3 | 3:37 |
| B3 | Who Are the Brain Police? | | 3:22 |
| B4 | Plastic People | 4.35 | 3:40 |
| B5 | Hungry Freaks, Daddy- engineer:
- Ami Hadani, Tom Hidley and Val Valentin
- producer:
- Tom Wilson
- bass guitar and guitar:
- Roy Estrada
- cello:
- Edwin Beach, Paul Bergstrom, Raymond Kelley, Kurt Reher, Emmet Sargeant and Joseph Saxon
- clarinet and saxophone:
- John Rotella
- cymbal, harmonica and tambourine and lead vocals:
- Ray Collins
- drums (drum set):
- Jimmy Carl Black
- flute and saxophone:
- Plas Johnson
- French horn:
- George Price
- French horn and tuba:
- Arthur Maebe
- guitar:
- Elliot Ingber, Carol Kaye, Neil Le Vang and Frank Zappa
- harmonica:
- Paul Butterfield
- percussion:
- Gene Estes and Kenneth Watson
- piano:
- Gene DiNovi, Les McCann and Mac Rebennack
- trombone:
- Dave Wells
- trumpet:
- Roy Caton and Virgil Evans
- tuba:
- Tommy Johnson
- violin:
- David Anderle and Benjamin Barrett
- background vocals:
- Terry Gilliam
- vocals:
- Kim Fowley, Carl Franzoni, Vito Paulekas, Jeannie Vassoir and Frank Zappa
- conductor:
- Frank Zappa
- performer:
- Jim “Motorhead” Sherwood
- arranger:
- Frank Zappa
- recording of:
- Hungry Freaks, Daddy
- lyricist and composer:
- Frank Zappa
| 3.35 | 3:27 |
| B6 | America Drinks and Goes Home | 3 | 2:43 |
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