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bass, bass [electric], gong, percussion [log drums], whistle, vocals Malachi Favors
design [cover] Gary Grimshaw
design [cover] Rainbow Graphics
drums, congas, marimba [bass], gong, percussion [log drums], whistle, percussion, vocals Famoudou Don Moye
engineer [recording & mixing] Jimmy Douglass
photography by [back cover] Susan Hyman
photography by [cover] Leni Sinclair
producer Jimmy Douglass
producer Michael Cuscuna
producer Tunç Erim
sleeve notes John Sinclair
sleeve notes Michael Cuscuna
sopranino saxophone, soprano saxophone, alto saxophone, tenor saxophone, congas, vibraphone, percussion, vocals Joseph Jarman
soprano saxophone, alto saxophone, tenor saxophone, bass saxophone, clarinet, drums, percussion, vocals Roscoe Mitchell
trumpet, flugelhorn, horns [kelphorn], bass drum, percussion, vocals Lester Bowie
Published By Art Ensemble Of Chicago Music, Inc.
Recorded At Otis Spann Memorial Field
Mixed At Atlantic Studios
Phonographic Copyright (p) Atlantic Recording Corporation
Copyright (c) Atlantic Recording Corporation
Lacquer Cut At Atlantic Studios
Pressed By Presswell
Manufactured By Atlantic Recording Corporation
Presswell pressed version distinguished by PR matrix on labels and PR in runout.

Recorded on 9 September 1972 at the Ann Arbor Blues and Jazz Festival at Otis Spann Memorial Field, Ann Arbor, MI.

Cat# on front cover and spine: SD 1639
Cat# on back cover, upper right: SD1639
Cat# on center labels: SD-1639
Matrix / Runout: ST-A-722719-PR (Side A label)
Matrix / Runout: ST-A-722720-PR (Side B label)
Matrix / Runout: PR ST-A-722719-A AT (Side A runout, etched)
Matrix / Runout: PR ST-A-722720-A AT (Side B runout, etched)