If you’re looking to play a role in Chicago scene history, the venerable Chic-a-Go-Go is taping its 500th episode on Saturday from 1 to 4 PM. Now for the big question: who’s playing? Will Mia tell me? Check back soon.

Updated! Jake Austen spilled the beans: garage die-hards New Colony Six, Casper of Cha Cha Slide fame, and soul legend Andre Williams.