Don Preston in a scene from “Uncle Meat” – The Movie. This is so true as it was all these years ago … If you get your hands on the full movie watch/buy it! Sometimes the family trust allows public viewing. Hope they release the full movie to archive.org (one day)!
Alternative is here.
Uncle Meat (film)
Uncle Meat is a film written and directed by Frank Zappa, released direct-to-video in 1987. Principal photography having never been completed, the videocassette is a "making of" documentary showing rehearsals and background footage from 1968 and interviews with people involved with the uncompleted production.
Definition from Wikipedia – Uncle Meat (film)
Donald Ward Preston (born September 21, 1932) is an American jazz and rock keyboardist. He is known for working with Frank Zappa from the mid 1960s to the mid 1970s.
Definition from Wikipedia – Don Preston
Frank Vincent Zappa (December 21, 1940 – December 4, 1993) was an American multi-instrumentalist musician, composer, and bandleader.
Definition from Wikipedia – Frank Zappa