Actor
Ruth Underwood
Born 1946 · Ithaca, New York, United States
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.
Acting
Zappa
Self - Played with Zappa 1967-1976 · 2020
Eat That Question: Frank Zappa in His Own Words
Self (archive footage) · 2016
Classic Albums: Frank Zappa & The Mothers Of Invention - Freak Out!
Self · 2021
Classic Albums
Self · 1997
200 Motels
Fake Drummer · 1971
Classic Albums: Frank Zappa - Apostrophe (') Over-Nite Sensation
Self · 2007
Frank Zappa: A Token of His Extreme
Herself · 2005
Video from Hell
Self · 1987
Frank Zappa & The Mothers: Roxy: The Movie
Herself · 2015
The True Story of Frank Zappa's 200 Motels
Self (archive footage) · 1988
Frank Zappa: The Dub Room Special!
Self · 1982
Frank Zappa: A Token Of His Extreme
Herself · 2013
The Drummers of Frank Zappa Roundtable Discussion and Performance
Self · 2010
An American Dissident: un tributo a Frank Zappa
Self (archive footage) · 1994
Frank Zappa: The Broadcast Archives
Self · 2008
Frank Zappa: Cheaper Than Cheep
Self (percussion) · 2025
Cheepnis
Herself · 2014