Ruth Underwood
Acting
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.
Known for
2025Frank Zappa: Cheaper Than Cheep
Self (percussion)
2021Classic Albums: Frank Zappa & The Mothers Of Invention - Freak Out!
Self
2020Zappa
Self - Played with Zappa 1967-1976
2016Eat That Question: Frank Zappa in His Own Words
Self (archive footage)
2015Frank Zappa & The Mothers: Roxy: The Movie
Herself
2014Cheepnis
Herself
2013Frank Zappa: A Token Of His Extreme
Herself
2008Frank Zappa: The Broadcast Archives
Self
2007Classic Albums: Frank Zappa - Apostrophe (') Over-Nite Sensation
Self
2007Frank Zappa: Roxy, 1973
2005Frank Zappa: A Token of His Extreme
Herself
1988The True Story of Frank Zappa's 200 Motels
Self (archive footage)
1987Video from Hell
Self
1982Frank Zappa: The Dub Room Special!
Self
1973Frank Zappa: Opopoppa Stockholm, Sweden
1971200 Motels
Fake Drummer