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1. Are You Hung Up  1:23 
2. Who Needs The Peace Corps  2:34 
3. Concentration Moon  2:32 
4. Mom & Dad  2:16 
5. Telephone Conversation   0:48
6. Bow Tie Daddy  1:22 
7. Harry, You're A Beast  1:22 
8. What's The Ugliest Part Of Your Body?  1:03 
9. Absolutely Free  3:26 
10. Flower Punk  3:57 
12. Hot Poop  0:16 
12. Nasal Retentive Caliope Music  2:00 
13. Let's Make The Water Turn Black  1:54 
14. The Idiot Bastard Son  3:27 
15. Lonely Little Girl  1:10 
16. Take Your Clothes Off When You Dance  1:33 
17. What's The Ugliest Part Of Your Body? (Reprise)  1:03 
18. Mother People  2:30 
19. The Chrome Plated Megaphone Of Destiny  6:30 


The Mothers Today (as of 1967)
Frank Zappa – guitar, piano, lead vocals, weirdness & editing
Jimmy Carl Black – Indian of the group, drums, trumpet, vocals
Roy Estrada – electric bass, vocals, asthma
Billy Mundi – drums, vocals, yak & black lace underwear
Don Preston – retired
Bunk Gardner – all woodwinds, mumbled weirdness
Ian Underwood – piano, woodwinds, wholesome
Euclid James "Motorhead" Sherwood – road manager, baritone saxophone, soprano saxophone, all purpose weirdness & teen appeal


Additional personnel
Suzy Creamcheese (Pamela Zarubica) – telephone voice
Pamela Zarubica – vocals
Dick Barber – Snorks
Eric Clapton – Male speaking part in "Are You Hung Up?" and "Nasal Retentive Calliope Music."
Gary Kellgren – "the one doing all the creepy whispering" (i.e., interstitial spoken segments)
Spider Barbour – vocals
Dick Kunc – "cheerful interruptions" vocal
Vicki Kellgren – additional telephone vocals
Ronnie Williams – backwards voice
Sid Sharp – conductor (under Frank Zappa's supervision) of the "Abnuceals Emuukha Electric Symphony Orchestra and Chorus" on "Absolutely Free", "Mother People" and "The Chrome Plated Megaphone of Destiny"