Bulky Trash
Enrico quits his apprenticeship to focus on the punk band he founded with three friends from their high-rise housing development. When his mother and sister move from the GDR to West Berlin, he decides to stay and insists on maintaining his cultural identity even after the fall of the Berlin Wall.
Starring Helke Misselwitz
Watch "Bulky Trash" on Mubi released in 1991. It's a documentary movie, and has a rating of 6.7 out of 10 from Imdb which is usually fine for this kind of movie.