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

It’s not bad or unwatchable but despite the amplitude of the spectacle, the end result is underwhelming.

I think this is a new genre that they're all sort of working their way through it and haven't got all the kinks worked out yet but it's a genre that works for me.

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