Recorded over a four year period (71-75), these tracks illustrate the evolutionary development of Tony Oxley's music, and particularly his percussion vocabulary. Amplification has played a large part in this development, giving breadth to the instrument, and allowing a reconsideration of the role of percussion in relation to improvised and structured music. Track A1 recorded 1972 Track A2 recorded 1975 Track A3 recorded 1971 Track B1 recorded 1971 Track B2 recorded 1973 Track B3 recorded 1975