Acting · Ithaca, New York, United States · Born May 23, 1946
Ruth Underwood (born Ruth Komanoff; May 23, 1946) is an American musician best known for playing xylophone, marimba, vibraphone, and other percussion instruments for Frank Zappa and his band The Mothers of Invention. She played for Zappa from 1968 until his death. She married fellow Zappa musician Ian Underwood.
MovieFrank Zappa: Cheaper Than Cheep
2025
as Self (percussion)
MovieClassic Albums: Frank Zappa & The Mothers Of Invention - Freak Out!
2021
as Self
MovieZappa
2020
as Self - Played with Zappa 1967-1976
MovieEat That Question: Frank Zappa in His Own Words
2016
as Self (archive footage)
MovieFrank Zappa & The Mothers: Roxy: The Movie
2015
as Herself
MovieCheepnis
2014
as Herself
MovieFrank Zappa: A Token Of His Extreme
2013
as Herself
The Drummers of Frank Zappa Roundtable Discussion and Performance
2010
as Self
MovieFrank Zappa: The Broadcast Archives
2008
as Self
MovieClassic Albums: Frank Zappa - Apostrophe (') Over-Nite Sensation
2007
as Self
MovieFrank Zappa: Roxy, 1973
2007
MovieFrank Zappa: A Token of His Extreme
2005
as Herself
TVClassic Albums
1997
as Self
An American Dissident: un tributo a Frank Zappa
1994
as Self (archive footage)
MovieThe True Story of Frank Zappa's 200 Motels
1988
as Self (archive footage)
MovieVideo from Hell
1987
as Self
MovieFrank Zappa: The Dub Room Special!
1982
as Self
MovieFrank Zappa: Opopoppa Stockholm, Sweden
1973
Movie200 Motels
1971
as Fake Drummer
