'Forrest Gump' arrived 25 years ago and became a phenomenon almost immediately, but, as with most mainstream hits of the past, not everyone loved it, and there has been a very vocal anti-Gump contingent essentially all along.
There are a number of great movies in which rock, and other musical genres, play an integral part in the larger social messages they are attempting to convey, and here's a list of some essential ones that do that better than most.
A lot of movies get called groundbreaking, but few from the '80s really earn that designation quite like Robert Zemeckis' and Steven Spielberg's 'Who Framed Roger Rabbit', which was remarkable for a number of reasons.