Founder of The Trio and S.O.S., one of the earliest all-saxophone jazz groups. He also founded a quartet with John Taylor, among other jazz greats.
He began his musical career by playing the baritone saxophone for the Mike Westbrook Band in the mid-1960s.
He dabbled in overdubbing and synthesized music, creating the album Westering Home in 1972 without any other musicians.
He was born in Tavistock, Devon in England.
He has collaborated with Gil Evans.