Steve Lacy, soprano saxophone and gramophone; Trevor Watts, alto and soprano saxophones; Evan Parker, soprano, tenor and baritone saxophones; Steve Potts, soprano and alto saxophones; Derek Bailey, electric guitar; Michel Waisvisz, electronic synthesizer.
Staples (09.40), Dreams (11.20), Swishes (05.45), Sops (07.10), Snaps (09.20).
Recorded live in London at the Wigmore Hall on 19 December 1974 by Martin Davidson.
Sleeve design (reproduced above) by Martin Davidson.