Life Time (4180)
Studio Van Gelder Studio, Englewood Cliffs, NJ
Tony Williams – drums, timpani, woodblocks, maracas, triangle (1–4)
Sam Rivers – tenor saxophone (1–3)
Bobby Hutcherson – vibes, marimba (4)
Herbie Hancock – piano (4–5)
Ron Carter (5), Richard Davis (1–2), Gary Peacock (1–3) – bass