tracks a1, b2 alto saxophone Charles McPherson
alto saxophone Eric Dolphy
bass Charles Mingus
tracks a1 bass clarinet Eric Dolphy
design, photography by Frank Gauna
drums Dannie Richmond
engineer Bob d'Orleans
liner notes, supervised by Nat Hentoff
tracks a1 piano Nico Bunink
tracks b2 piano Paul Bley
tracks a1, b2 tenor saxophone Booker Ervin
tracks a1 trombone Britt Woodman
tracks a1 trombone Jimmy Knepper
tracks a1, b2 trumpet Lonnie Hillyer
trumpet Ted Curson
Published By Jazz Workshop, Inc.
Published By Mills Music
Recorded At Nola Recording Studios
Pressed By RCA Records Pressing Plant, Indianapolis
This album was recorded monophonically and Stereophonically directly to two-track and full-track master tapes […]. [sleeve info]

All tracks were recorded at Nola Penthouse Sound Studios, New York

Tracks A and B1 on October 20, 1960; track B2 on November 11, 1960
Pressing Plant ID: I (Stamped in runout areas)
Rights Society: BMI
Rights Society: ASCAP
Matrix / Runout: M9OY-4976 (A-Side Label)
Matrix / Runout: M9OY-4977 (B-Side Label)
Matrix / Runout: I CJS 9021 A A1 M90Y-4976-1 (Side A etched)
Matrix / Runout: I CJS 9021 B A1 M90Y-4977-2 (Side B etched)