A music venue in the Cadillac Building on 502 E. Washington Street in 1972.

Posters from the era show the acts that played there. An John Sinclair interview illustrates the politics of the time.

In the news

The People's Ballroom wasn't owned by the Rainbow People. It shared a former Cadillac dealership with the Community Center Project, a federally-funded group of agencies consisting of Drug Help, Ozone House, and the Free People's Clinic. While the actual political ins and outs are too complicated to go into here (that would take a book, perhaps two), suffice it to say that the Ann Arbor Tribal Council Music & Ballroom Committee was a committee of dedicated lefties, and politics were never far from the matter at hand.