Effective period / Period of releases: 1969 - 1979

Members: Keith Rowe, Keith Tippett, Harry Miller, Jeff Clyne, John Stevens (2), Trevor Watts, Kent Carter, Ron Herman, Liam Genockey, Lindsay Cooper (2), George Lyle, Willem Kühne, Peter Cowling, Colin McKenzie, Terri Quaye, Dave Cole (4), Steve Hayton

UK impro-jazz rock ensemble active throughout the 70s. Founded in late 60s by sax player Trevor Watts it had a line-up very "open" with several changes of musicians, with the only exception of the founding member. The music is a blend of free improvisation, funk, avantgarde and electric fusion. Despite several albums and tours the band always remained criminally underrated. Disbanded in 1980.