This exemplary documentary about seminal jazz pianist and composer Thelonious Monk reaps the benefits of multiple blessings, including the skilled editorial hand of director Charlotte Zwerin and the patronage of executive producer (and erstwhile jazz pianist) Clint Eastwood. Most vital is the use of extensive 1968 footage, shot by Michael and Christian Blackwood, documenting the sometimes moody, sometimes puckish Monk in the studio, on tour, and off stage, which on its own would make this essential jazz viewing.