Last year, we brought a new sort of party to the Exchange District, pairing classic concert films on the big screen with contemporary local musicians to make an unforgettable night of music, food, fun and friendship. If you thought Yes We Mystic and the Talking Heads’ Stop Making Sense were a good fit, and bopped your head in approval to 3PEAT before watching Beastie Boys’ Awesome I …  Shot That, then you’re no doubt ready for the classic-even-though-it-hasn’t-happened-yet pairing of Roman Clarke and Prince’s Sign O The Times. “Just like we’ve done with Alleyways in the Exchange, we wanted to take a good idea, give it an Exchange District twist, and make it something unique and really great,” says Exchange …