bass Ron Carter
contra-alto clarinet Peter Phillips
drums Mickey Roker
flugelhorn Thad Jones
flute Jerry Dodgion
lacquer cut by Kevin Gray
lacquer cut by Ron Rambach
liner notes Nat Hentoff
photography by David Bythewood
piano Herbie Hancock
producer Duke Pearson
recorded by Rudy Van Gelder
Distributed By Music Matters Ltd.
Manufactured By EMI Music Special Markets
Copyright (c) Blue Note Records
Recorded At Van Gelder Studio, Englewood Cliffs, New Jersey
Lacquer Cut At Cohearent Audio
Pressed By Record Technology Incorporated
Recorded March 6 & 9, 1968.