Effective period / Period of releases: 1972 - 1998

Members: Derek Bailey, Evan Parker, Radu Malfatti, John Warren, Dave Holland, Larry Stabbins, Harry Beckett, Bob Downes, Kenny Wheeler, Robin Hayward, Mats Gustafsson, Paul Lytton, Conrad Bauer, Barry Guy, Alan Tomlinson, Michael Gibbs, Karl Jenkins, Barre Phillips, Tony Coe, Henry Lowther, Tony Oxley, Chris Laurence, Simon Picard, David White (2), Jeff Clyne, Per Åke Holmlander, John Stevens (2), Trevor Watts, Philipp Wachsmann, Dave Holdsworth, Peter Kowald, Irene Schweizer, Paul Rutherford (2), Mark Charig, Peter McPhail, Paul Nieman, Melvyn Poore, Alan Wakeman, Dick Hart, Bernie Living, Howard Riley, Herb Robertson, Agustí Fernandez, Johannes Bauer, Mike Osborne, Torben Snekkestad, Paul Dunmall, Jon Corbett, Stephen Wick, Marc Unternährer, Michael Niesemann, Bruno Chevillon, Lucas Niggli, Richard Laughlin, Dave Spence, Jürg Wickihalder, Andreas Tschopp, Chris Bridges, Martin Eberle, Julius Gabriel