A lot of perfectly good film show their cards early, establish a unique premise and let the audience explore a topic at a leisurely pace, without much in terms of surprise. this film is not one of those films.

This is a must-see and one of the best documentaries - and films - of this year.

The first must-see film of the year.

It is an exhilarating, distressing, funny and profound film, with one of the more memorable film scores in years,