Evan Parker, soprano and tenor saxophones, lyttonophone, pole drum, bullroarer, cassettes of prior performances; Paul Lytton, percussion and live electronics, voice.
In the midst of laughter and glee (18.04), On reflection (05.24), Mild steel rivets for P.H. (14.42), The Dirlston Dirler (07.23).
Recorded at the Unity Theatre London, 7 January 1975.
Recording by Bob Woolford; production by Derek Bailey.
Cover design (reproduced above) by Graeme Murray. Re-issued on CD (with two additional tracks) in May 2003 as psi 03.01.