Herbie Hancock (synthesizer, piano, keyboards, electric piano, pipe, vocals, clavinet, ARP, fender rhodes), Bennie Maupin (flute, percussion, bass clarinet, alto flute, saxophone, soprano saxophone, tenor saxophone, wind, multiple reeds, saxello), Bill Summers (percussion, conga, drums, tambourine, multi instruments, balafon, bottle, surdo, agogo, shekere, shakere, gankogui, log drums, cabasa, hinedewho), Paul Jackson Jr. (electric bass, marimbula), Paul Jackson (bass, electric bass, marimbas, marimbula), Harvey Mason Sr (drums), Oren Waters (vocals), The Headhunters (Group).

Tracklisting:
1. Chameleon (15:44)
2. Watermelon Man (6:32)
3. Sly (10:20)
4. Vein Melter (9:10)
Recorded 1973.
Released 2007.