Credits

Herbie Hancock: Piano
Ron Carter: Bass
Johnny Pacheco: Congas, Tambourine
Billy Cobham: Drums
Ernie Royal: Trumpet
Eric Gale: Guitar
Pepper Adams: Baritone Saxophone
Bob Cranshaw: Bass
George Benson: Guitar
Jimmy Owens: Trumpet, Flugelhorn
Sam Butera & The Witnesses: Trumpet
Ben Young: Research
Lois Winter: Vocals
Tom Greenwood: Production Coordination, Research Coordination
Dan Kramer: Cover Photo
Nat Hentoff: Liner Notes
Albertine Robinson: Vocals
Esmond Edwards: Producer
Hollis King: Art Direction
Alan Raph: Bass Trombone
Bryan Koniarz: Production Coordination
Carl Lynch: Guitar
Sherniece Smith: Production Coordination
Carlos Kase: Production Coordination, Research Coordination
Eileen Gilbert: Vocals
Tom McIntosh: Conductor, Arranger