Acting
Born May 23, 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.

Frank Zappa: Cheaper Than Cheep
2025

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

Zappa
2020

Eat That Question: Frank Zappa in His Own Words
2016

Frank Zappa & The Mothers: Roxy: The Movie
2015

Cheepnis
2014

Frank Zappa: A Token Of His Extreme
2013
The Drummers of Frank Zappa Roundtable Discussion and Performance
2010

Frank Zappa: The Broadcast Archives
2008

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

Frank Zappa: Roxy, 1973
2007

Frank Zappa: A Token of His Extreme
2005
An American Dissident: un tributo a Frank Zappa
1994

The True Story of Frank Zappa's 200 Motels
1988

Video from Hell
1987

Frank Zappa: The Dub Room Special!
1982

Frank Zappa: Opopoppa Stockholm, Sweden
1973

200 Motels
1971