Jeremy Webster "Fred" Frith is an English multi-instrumentalist, composer, and improviser. Probably best known for his guitar work, Frith first came to attention as a founding member of the English avant-rock group Henry Cow. He was also a member of the groups Art Bears, Massacre, and Skeleton Crew. He has collaborated with a number of prominent musicians, including Robert Wyatt, Derek Bailey, the Residents, Lol Coxhill, John Zorn, Brian Eno, Mike Patton, Lars Hollmer, Bill Laswell, Iva Bittová, Jad Fair, Kramer, the ARTE Quartett, and Bob Ostertag. He has also composed several long works, including Traffic Continues and Freedom in Fragments. Frith produces most of his own music, and has also produced many albums by other musicians, including Curlew, the Muffins, Etron Fou Leloublan, and Orthotonics.
He is the subject of Nicolas Humbert and Werner Penzel's 1990 documentary Step Across the Border. Frith also appears in the Canadian documentary Act of God, which is about the metaphysical effects of being struck by lightning. He has contributed to a number of music publications, including New Musical Express and Trouser Press, and has conducted improvising workshops across the world.