John Stevens, percussion, cornet; Trevor Watts, soprano saxophone; Evan Parker, soprano saxophone; Kent Carter, cello; Derek Bailey, guitar.
Forty minutes [part 1] (19.30), Forty minutes [part 2] (20.30).
Recorded live in London at the ICA Theatre on 3 February 1974 by Martin Davidson.
Front cover photograph (reproduced above) by Jak Kilby. Re-issued in 1997 as part of Emanem CD 4015.