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.
200 Motels
Fake Drummer
Frank Zappa: The Dub Room Special!
Self
Cheepnis
Herself
The True Story of Frank Zappa's 200 Motels
Self (archive footage)
Video from Hell
Self
Zappa
Self - Played with Zappa 1967-1976
Eat That Question: Frank Zappa in His Own Words
Self (archive footage)
Classic Albums: Frank Zappa & The Mothers Of Invention - Freak Out!
Self
Frank Zappa: The Broadcast Archives
Self
Classic Albums: Frank Zappa - Apostrophe (') Over-Nite Sensation
Self
Frank Zappa: A Token of His Extreme
Herself
Frank Zappa: A Token Of His Extreme
Herself
Frank Zappa & The Mothers: Roxy: The Movie
Herself
Frank Zappa: Opopoppa Stockholm, Sweden
Frank Zappa: Roxy, 1973
Frank Zappa: Cheaper Than Cheep
Self (percussion)