For those who are into progressive rock and are somewhat into the scene, a documentary was made a couple of years ago covering much of the mid-atlantic progressive rock scene. I watched it last night and it was very good. I even found myself in one of the crowd shots.
http://www.progdocs.com/ProgDocs/Air_Dates.html
http://www.progdocs.com/ProgDocs/Air_Dates.html