ProJazz.net

Oliver Edward Nelson (June 4, 1932 – October 28, 1975) was an American jazz saxophonist, clarinetist, arranger, composer, and bandleader. He is perhaps best remembered for his groundbreaking 1961 Impulse! album The Blues and the Abstract Truth, widely regarded as one of the most significant American jazz recordings of the modern jazz era.
(Taken from Wikipedia).

Personnel:

Oliver Nelson – alto saxophone, tenor saxophone
Eric Dolphy – flute, alto saxophone
George Barrow – baritone saxophone
Freddie Hubbard – trumpet
Bill Evans – piano
Paul Chambers – bass
Roy Haynes – drums