The American Revolution

WBCN and The American Revolution is a feature-length documentary film that chronicles progressive rock radio station WBCN-FM in Boston, during the years 1968 to 1974, through the original sights, sounds and stories, and examines the station's role in both covering and promoting the dramatic social, political and cultural changes that took place during that era. The film was produced and directed by Bill Lichtenstein with the Peabody Award-winning Lichtenstein Creative Media.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.