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

True to its essence, the characters remain on the same line and manage to entertain the viewer, each highlighting their own distinctive qualities or touches.

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

There is definitely an excellent idea hidden in the background of the film. Unfortunately, it's difficult to find it.