tracks a2 arranged by [strings] Arif Mardin
tracks b1 baritone saxophone Haywood Henry
tracks a1, a2, b3 bass Melvin Jackson
tracks a3, b2 bass Ron Carter
tracks b1 bass [fender bass] Chuck Rainey
design [cover] Loring Eutemey
tracks b3 drums Billy Hart
tracks a3, b2 drums Billy Higgins
tracks b1 drums Grady Tate
tracks a1, a2 drums Richard Smith
tracks b1 engineer Bruce Tergesen
tracks a1, a2, b3 engineer Phil Iehle
tracks a3, b2 engineer Tom Dowd
liner notes Leonard Feather
tracks a1 percussion Joe Wohletz
tracks a1 percussion Ray Barretto
photography by [cover] Fred Seligo
tracks a3, b2 piano Cedar Walton
tracks a1, a2, b1, b3 piano Jodie Christian
tracks a1, a2 producer Arif Mardin
tracks b1, b3 producer Joel Dorn
tracks a3, b2 producer Nesuhi Ertegun
tracks a1, a2 saxophone [varitone electronically amplified saxophone] Eddie Harris
tracks a3 to b3 tenor saxophone Eddie Harris
tracks b1 trombone Tom McIntosh
tracks b1 trumpet Jimmy Owens
tracks b1 trumpet Joe Newman
tracks b1 trumpet Melvin Lastie
tracks a3 trumpet Ray Codrington
tracks a1, a3, b1, b3 written-by Eddie Harris
Licensed From Atlantic
Distributed By Rifi Record Company
Manufactured By Rifi Record Company
Copyright (c) Atlantic Recording Corporation
Published By Hargrove
Published By Miller (3)
© 1970 Atlantic Recording Corporation

ATS ST 05515 on labels, ATS-ST 05515, SD 1545 on cover.
Matrix / Runout: 05515-A (Side A, label)
Matrix / Runout: 05515-B (Side B, label)
Matrix / Runout: 05515-A (Side A, runout, etched)
Matrix / Runout: 05515-B (Side B, runout, etched)
Rights Society: ASCAP
Rights Society: BMI
Rights Society: SIAE