On November 27, 1972, “Bizarre” and “Reprise” label released “The Grand Wazoo”, the eleventh Mothers (The) album. It was recorded April – May 1972, at “Paramount Studios” in Hollywood, and was produced by Frank Zappa.

Personnel:

• Frank Zappa – vocals, guitar, percussion, arrangements, art direction
• Tony Duran – guitar, rhythm guitar
• George Duke – vocals, keyboards
• Don Preston – Mini Moog
• Erroneous (Alex Dmochowski) – bass
• Aynsley Dunbar – drums
• Bob Zimmitti – percussion
• Alan Estes – percussion
• Lee Clement – gong
• Mike Altschul – woodwind
• Joel Peskins – woodwind
• Joanna Caldwell – woodwind
• Johnny Rotella – woodwind
• Earl Dumler – woodwind
• Fred Jackson – woodwind
• Tony “Bat Man” Ortega – woodwind
• Ernie Watts – C Melody Saxophone
• Sal Marquez – vocals, trumpet , brass
• Ken Shroyer – trombones
• Billy Byers – trombone
• Malcolm McNab – brass
• Ken Shroyer – brass
• Ernie Tack – brass
• Sal Marquez – brass
• Janet Neville-Ferguson – vocals
•  “Chunky” (Lauren Wood) – vocals
• Kerry McNabb – engineer
• Cal Schenkel – cover illustration
• Ed Caraeff, Tony Esparza, Barry Feinstein – photography
• Paul Hof – special assistance, contractor
• Kenny Shroyer – spiritual advisor

Track listing:

All tracks by Frank Zappa.

1. For Calvin (And His Next Two Hitch-Hikers)
2. The Grand Wazoo
3. Cletus Awreetus – Awrightus
4. Eat That Question
5. Blessed Relief