alto saxophone, bass clarinet, flute Eric Dolphy
tracks 1-9 bass George Tucker
tracks 10,11 bass Jimmy Garrison
tracks 10,11 drums Dannie Richmond
tracks 1-9 drums Roy Haynes
liner notes Arnold Marcus
liner notes Don DeMicheal
liner notes Robert Levin
liner notes Ron Eyre
tracks 1-9 piano Jaki Byard
tracks 10,11 piano Kenny Drew
tracks 1-9 trumpet Freddie Hubbard
tracks 10,11 trumpet Ted Curson
Phonographic Copyright (p) Poll Winners Records
Copyright (c) Poll Winners Records
Tracks 1 to 9 recorded in Englewood Cliffs, New Jersey, April 1, 1960.
Tracks 10 and 11 recorded in New York, April 11, 1961.
Included booklet with original liner notes from the 1960 first edition (New Jazz NJLP-8236) and from the 1963 reissue by Prestige (Prestige PR 7311).

Total time: 69:50 minutes.