Tonight you can catch Bloc Party at City Hall or Animal Collective at the Cannery. Nashville, do you like your pop skittish and innovative, or post-punk and danceable? If it were just a question of pedestrian vs. experimental taste, it'd be easy enough to draw your line in the sand. But BP got all tricky and threw Deerhoof on the bill, and that makes it a tougher question of where your loyalties lie. So what's it gonna be?