arranged by, conductor, piano, keyboards [ondioline] Artie Butler
bass Ron Carter
cello Seymour Barab
tracks a1 to a4, b1 to b5 cello Seymour Barab
design [album design] Sam Antupit
drums Gary Chester
engineer Rudy Van Gelder
tracks a1 to a4, b1, b2, b4, b5 flute, piccolo flute Jerome Richardson
tracks a2 to a6, b2 to b5 flute, soprano saxophone Romeo Penque
tracks a1, b1 guitar Charles Macey
guitar Sal DiTroia
guitar Vinnie Bell
tracks a2 to a4, b2, b4, b5 harp Corky Hale
liner notes Joel Vance
tracks a1 to a4, b1 to b5 percussion George Devens
percussion Richie Ritz
photography by [cover photographs] Pete Turner
piano Herbie Hancock
producer Creed Taylor
tracks a1, b1 trombone Benny Powell
tracks a2 to a6, b2 to b5 trombone Chauncey Welsch
tracks a2 to a6, b2 to b5 trombone Eddie Bert
tracks a2 to a6, b2 to b5 trombone Mickey Gravine
tracks a1, b1 trombone Mort Bullman
tracks a1, b1 trombone Thomas Mitchell
tracks a2 to a6, b2 to b5 trumpet, flugelhorn Burt Collins
tracks a5, a6 vibraphone David Carey
tracks a1 to a4, b1, b2, b4, b5 viola Bernard Zaslav
tracks a1 to a4, b1 to b5 viola Murray Sandry
tracks b3 violin Archie Levin
tracks a1, b1, b3 violin Arthur Bogin
tracks a1 to a4, b1 to b5 violin David Sackson
tracks b3 violin Harold Kohon
tracks a1, b1 violin Harry Lookofsky
tracks a1 to a4, b1, b2, b4, b5 violin Irving Spice
tracks a1 to a4, b1, b2, b4, b5 violin Joseph Haber
tracks a2 to a4, b2 to b5 violin Julius Brand
tracks b3 violin Leo Kruczek
tracks a1 to a4, b1, b2, b4, b5 violin Louis Haber
tracks a1 to a4, b1 to b5 violin Louis Stone
tracks a1, b1 violin Mac Ceppos
tracks a2 to a4, b2, b4, b5 violin Marvin Morgenstern
tracks a1, b1 violin Matthew Raimondi
tracks b3 violin Paul Winter
tracks a1 to a4, b1, b2, b4, b5 violin Peter Dimitriades
Recorded At Van Gelder Studio, Englewood Cliffs, New Jersey
Pressed By Monarch Record Mfg. Co.
Recorded at Van Gelder Studios: January 8, 1968 (tracks A1, B1); January 15, 1968 (track B3); January 17, 1968 (tracks A2 to A4, B2, B4, B5); February 29, 1968 (tracks A5, A6).
Matrix / Runout: SP-3013 (Side A label)
Matrix / Runout: SP-3014 (Side B label)
Matrix / Runout: 3013 (MR) Δ11790 (Side A etched runout)
Matrix / Runout: 3014 (MR) Δ11790-X (Side B etched runout)