Credits

Herbie Hancock: Electric Piano
Chick Corea: Electric Piano
Dave Holland: Bass
John McLaughlin: Guitar
Miles Davis: Trumpet
Tony Williams: Drums
Wayne Shorter: Tenor Saxophone
Teo Macero: Producer
Josef Zawinul: Organ, Electric Piano
Russ Payne: Engineer
Shawn R. Britton: Mastering Assistant
Stan Tonkel: Engineer
Frank Glenn: Liner Notes
Rob LoVerde: Mastering
John A. Beck: Reissue Design