It was just added on Netflix. I don't have much to say about it, except:
1) Their continuing belief that they are a live band, and this is how they win people over, is on display here, and it's wrong. The movie is mostly an excuse to get people to watch a whole live show. For people who don't already like Metallica, it's not going to do much for them. For people who do, they'd rather be at a live show.
2) F for use of maguffins. There are two of them. The first is the gasoline, which is not the best one they could have picked and then the bag is introduced too late to be useful or interesting. The main character's motivations for wandering around (and not just going back the way he came when he walks into the middle of a skirmish line between rioters and cops) are never comprehensible and indeed appear not to be considered by the script writers, but at least this is obvious early enough in the movie that you don't waste time trying to figure them out. Add this as support to point #1. Adding this secondary plot was a way to make it seem as if this wasn't just a Metallica concert movie.
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