Effective period / Period of releases: 1976 - 1977

Members: Christopher Warren-Green, Gavyn Wright, Roger Smith (3), Peter Oxer, Helen Liebmann, Roger Garland, Malcolm Smith, Mike Hurwitz, Martyn Ford, David Woodcock, Katherine Thulborn, Elizabeth Edwards, Martin Robinson, Roy Carter (2), Ian Mackinnon, Howard Ball, Irvine Arditti, Donald McVay, Marcia Crayford, Eddie Roberts (2), Stephen Tees, Robert Clark, Nick Worters, Stephen Rowlinson, Jan Schlapp, Lennox Mackenzie, Roger Best, Thelma Page