tracks a2, a3, b1 alto saxophone Charlie Mariano
tracks a1, a4, b2, b3 alto saxophone, flute Eric Dolphy
arranged by Bob Hammer
bass, piano Charles Mingus
design [cover] Robert Flynn
design [liner] Joe Lebow
tracks a2, a3, b1 drums Dannie Richmond
tracks a1, a4, b2, b3 drums Walter Perkins
engineer Bob Simpson
tracks a2, a3, b1 guitar Jay Berliner
liner notes Nat Hentoff
mastered by Rudy Van Gelder
photography by [cover and liner photos] Joe Alper
piano Jaki Byard
producer Bob Thiele
soprano saxophone, baritone saxophone, flute Jerome Richardson
tracks a1, a4, b2, b3 tenor saxophone Booker Ervin
tenor saxophone, clarinet, flute Dick Hafer
tracks a1, a4, b2, b3 trombone Britt Woodman
tracks a2, a3, b1 trombone Quentin Jackson
tracks a1, a4, b2, b3 trumpet Eddie Preston
trumpet Richard Williams
tracks a2, a3, b1 trumpet Rolf Ericson
tuba Don Butterfield
Record Company ABC-Paramount Records, Inc.
Lacquer Cut At Van Gelder Studio, Englewood Cliffs, New Jersey
Designed At Viceroy (2)
Published By Jazz Workshop
Published By Mills Music
A1, A4, B2, B3 Recorded September 20, 1963.
A2, A3, B1 Recorded January 20, 1963.

'VAN GELDER' in the runout string is stamped, the rest is hand-etched.
Rights Society: BMI (A1 to A3, B1 to B3)
Rights Society: ASCAP (A4)
Matrix / Runout: A-54 • A • VAN GELDER (Runout etching side A)
Matrix / Runout: A-54 • B VAN GELDER (Runout etching side B)