tracks a7 to a10 cello Thomas Igloi tracks a7 to a10 composed by Benjamin Britten tracks a1 composed by Erik Satie tracks a6 composed by John Cage tracks b6 to b10 composed by Luciano Berio tracks a2, a3 composed by Olivier Messiaen tracks a4, a5, b1 to b5 composed by Pierre Boulez tracks b1 to b5 conductor Elgar Howarth tracks b1 to b5 orchestra London Sinfonietta tracks a7 to a10 piano Clifford Benson tracks a1 to a6 piano Robert Sherlaw Johnson producer John Rushby-Smith producer John Selwyn Gilbert tracks b6 to b10 vocals Cathy Berberian Recorded At Air Studios Recorded At Maida Vale Studios Printed By E.J. Day Group Copyright (c) Open University Recorded at Air Recording Studios and the BBC's Maida Vale Studios on 9/28/29 March, 6 April and 8/10 May 1974. Matrix / Runout: OU 16 1v//3▽420 05 12 1 (Side A runout) Matrix / Runout: OU 16 2v//3▽420 04 11 1 (Side B runout)