Credits

Andrew Hill: Piano
Bobby Hutcherson: Marimba, Vibraphone
Freddie Hubbard: Trumpet
Richard Davis: Bass
Sam Rivers: Flute, Bass Clarinet, Soprano Saxophone, Tenor Saxophone
Joe Chambers: Drums
Rudy Van Gelder: Recording Engineer
Reid Miles: Cover Design
Alfred Lion: Producer
Francis Wolff: Photography
A.B. Spellman: Original Liner Notes