Ian Robertson Underwood (born May 22, 1939) is a woodwind and keyboards player, who was a member of the original version of Frank Zappa's band the Mothers of Invention. Following the original band's split in late 1969, Underwood continued to work with Zappa extensively during the 1970s. Underwood graduated from The Choate School in 1957 and Yale University with a bachelor's degree in composition in 1961 and a master's degree in

Frank Zappa: Phase II - The Big Note
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Frank Zappa: The Present-Day Composer Refuses To Die
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Uncle Meat
⭐ 5.7
The True Story of Frank Zappa's 200 Motels
⭐ 7.5
Video from Hell
⭐ 7
Burnt Weeny Sandwich
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Classic Albums: Frank Zappa - Apostrophe (') Over-Nite Sensation
⭐ 6.5
Frank Zappa - Freak Jazz, Movie Madness & Another Mothers
⭐ 8
Eat That Question: Frank Zappa in His Own Words
⭐ 7.3
Zappa
⭐ 7.3
Frank Zappa and The Mothers of Invention: Live at Whisky a Go Go 1968
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Frank Zappa: The Freak Out List
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200 Motels
⭐ 5.17
Frank Zappa: Opopoppa Stockholm, Sweden
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⭐ 7.7