Credits

Herbie Hancock: Piano
Andrew Hill: Piano
Hank Mobley: Tenor Saxophone
Lee Morgan: Trumpet
Philly Joe Jones: Drums
Jo Jones: Drums
John Ore: Bass
Rudy Van Gelder: Engineer, Remastering
Michael Cuscuna: Producer
Reid Miles: Artwork
Alfred Lion: Producer
Joe Goldberg: Liner Notes
Bob Blumenthal: Liner Notes
Francis Wolff: Cover Photo
Butch Warren: Bass