My local gaming group in 1989, at the time a bunch of later twenty-somethings, began a campaign that lasted until 2005 running purely our home-ruled version of AD&D 1st Edition. During the 1990s we decided for whatever reason (I mean, we did have a camera so there's that) to record several portions of our game sessions.
I have wanted for a long time to scrub out the distracting bits (e.g. rules arguments, non-gaming stuff) and see if a running film of the actual gaming parts would bring back some sense of the campaign's atmosphere, what events occurred, and how our characters progressed. Unfortunately, viewing more than 5 minutes at a time of this stuff is pretty unbearable, and anyway I absolutely do not have time to edit large amounts raw footage and add my little comments pointing out various aspects of what's going on during the scenes.
Thus here is the first of what I hope to be a series of 5-minute segments of actual old school before it was OSR. Our rules set included the AD&D 1st ed. core books, Arduin Trilogy, Judges Guild Ready Ref Sheets, and various AD&D supplements. Some of our players utilized 2nd edition AD&D spells which we incorporated in a pretty loose fashion.
P.S. I have setup a page for the Blipping campaign here where I'll archive the individual videos and copies of other game remnants.