1991: The Year Punk Broke
Starring Mark Arm, Lori Barbero, Kat Bjelland, Nic Close, Kurt Cobain, Don Fleming, Kim Gordon, Dave Grohl, Mike Johnson, Dave Kendall
It's a documentary and musical movie, and has a rating of 7.3 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Germany.