R
Ruth Underwood
Acting • Born 1946-05-23
Acting0Ithaca, New York, United States
Biography
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.
Filmography
19 credits
200 Motels
Movie • 1971
Fake Drummer

Frank Zappa: The Dub Room Special!
Movie • 1982
Self

Cheepnis
Movie • 2014
Herself

The True Story of Frank Zappa's 200 Motels
Movie • 1988
Self (archive footage)

Video from Hell
Movie • 1987
Self

The Drummers of Frank Zappa Roundtable Discussion and Performance
Movie • 2010
Self

Zappa
Movie • 2020
Self - Played with Zappa 1967-1976

Eat That Question: Frank Zappa in His Own Words
Movie • 2016
Self (archive footage)

Classic Albums: Frank Zappa & The Mothers Of Invention - Freak Out!
Movie • 2021
Self

Frank Zappa: The Broadcast Archives
Movie • 2008
Self

Classic Albums: Frank Zappa - Apostrophe (') Over-Nite Sensation
Movie • 2007
Self

An American Dissident: un tributo a Frank Zappa
Movie • 1994
Self (archive footage)

Frank Zappa: A Token of His Extreme
Movie • 2005
Herself

Frank Zappa: A Token Of His Extreme
Movie • 2013
Herself

Frank Zappa & The Mothers: Roxy: The Movie
Movie • 2015
Herself

Frank Zappa: Opopoppa Stockholm, Sweden
Movie • 1973

Frank Zappa: Roxy, 1973
Movie • 2007

Frank Zappa: Cheaper Than Cheep
Movie • 2025
Self (percussion)

Classic Albums
TV • 1997
Self