[An] extraordinary documentary, nothing at all like what I was expecting to see. Here is not a sick and drugged man forcing himself through grueling rehearsals, but a spirit embodied by music. Michael Jackson was something else.

What this strange yet strangely beguiling film does is capture one of pop culture's great entertainers in the feverish grips of pure creativity.

There’s an incredible amount to enjoy here, and the star’s fans will be in rapture.

He could dance brilliantly right up to the end, it’s clear.This Is It may be a court documentary, but as a heavily lawyered portrait of an artist, it’s still pretty compelling.

This Is It offers a raw and endearing sketch of a genius at work.