Drummond - Viola Lucy Railton - Cello JOHN CAGE -- Etudes Boreales Mark Knoop - Piano LUCIANO BERIO -- Sequenza I Carla Rees -- flute CHRISTIAN WOLFF -- Music for 1, 2 or 3 players. Performed by Lucy Railton and Mark Knoop TRISTAN BROOKES -- Threads for amplified viola and 7 loudspeakers