alto saxophone, soprano saxophone [b♭ and e♭], clarinet, contrabass clarinet, arranged by Anthony Braxton
bass John Lindberg
cover Constant Könz
design Walter Bosshardt
liner notes [reissue] Graham Lock
percussion, xylophone, gong [gongs] Thurman Barker
photography by Markus di Francesco
producer Pia & Werner X. Uehlinger
recorded by Peter Pfister
trombone, trombone [alto], instruments [little] Ray Anderson
Phonographic Copyright (p) Hat Hut Records Ltd.
Copyright (c) Hat Hut Records Ltd.
Recorded At Jazz Festival Willisau
Glass Mastered At Tecval
Originally released in 1981 as 2-LP [Hat Hut Records ‎hat Hut NINETEEN (2R19)]

The PERFORMANCE FOR QUARTET includes the compositions 69.C, 69.E, 69.G, 40.F, 69.F, 23.G & 40.I.

Recorded live at Jazz Festival Willisau '79 on September 1, 1979

Label Code: LC 6048
Matrix / Runout: TECVAL 02 HATART 0108 6044
Rights Society: BMI
SPARS Code: AAD