Arranged By – Duke Pearson
Bass – Bob Cranshaw
Directed By [Voices], Conductor [Voices] – Coleridge Perkinson*
Drums – Grady Tate
French Horn – Jim Buffington, Bob Northern*
Guitar – Grant Green
Liner Notes – Nat Hentoff
Organ – Freddie Roach
Photography By, Design – Reid Miles
Piano – Herbie Hancock
Producer – Alfred Lion
Recorded By – Rudy Van Gelder
Reissue Producer – Michael Cuscuna
Tenor Saxophone – Stanley Turrentine
Transferred By [Digital Transfer] – Ron McMaster
Trombone – Benny Powell, Henry Coker, J.J. Johnson, Jimmy Cleveland
Trumpet – Clark Terry, Ernie Royal, Jimmy Owens, Snooky Young
Trumpet, Flugelhorn – Donald Byrd
Tuba – Don Butterfield
Written-By – Donald Byrd (tracks: 1, 3, 4), Duke Pearson (tracks: 2, 5, 6)