https://www.youtube.com/watch?v=UQl6PzXU4cQ
it's 3 parts. If anyone watched it and was interested I don't think it would be too hard to find part 2 or 3. I'd post them but based on the lack of responses i don't think folks care much and that's cool so i'll leave it at that. But there's some cool stuff if you like metal, outsiders, d.i.y., perseverance, madness
I watched the whole doc after you posted it, but i didn't have much previous experience with the artists. I liked that one of the folks seemed to have a couple dozen releases, but would never play a show.