Gavin Bryars Eddie Prévost Keith Rowe Hugh Davies Lou Gare Christopher Hobbs John Tilbury Tim Souster Maggie Nicols Ruth Anderson Howard Skempton Michael Parsons Philip Dadson Michael Chant Tom Phillips Jill Phillips Alex Hill Greg Bright Krystyna Rowe Barbara Brunsdon Bevan Jones Douglas Griffiths Clem Greenford Paul Hedley Carol Finer John R. Nash Peter Jordan Interaction Angela Bigley Atheline Kelley Wendy Holle David Ahern Linda Dyos Errol Girdlestone Katy Munn David Sladen Margery Chris Dorsett Hilary Andus Mary Monson Janet Robertson Ulli McCarthy Bernard Kelley Diana Gavill Keith Robertson Polly Barlow Bob Guy Ann Hasted Allan Cutts Derek A G Shiel
British one-off electroacoustic/experimental new music ensemble, formed by Eddie Prévost and directed by Keith Rowe, which appeared in May 1969 during the four-day 'Music Now' festival at The Roundhouse in London. Pre-dating The Scratch Orchestra, the ensemble featured 54+ musicians, including AMM members Cornelius Cardew, Lou Gare, John Tilbury, as well as Gavin Bryars, Hugh Davies and numerous other prominent British composers and performers.