Drew Barrymore's favorite new band, the Swedish trio Peter Björn and John, filled the Red Eye Fly this afternoon as the headliners for the Little Radio barbecue. Hipsters were lined up down the street in the drizzle getting their lo-tops muddy in the puddles, and to be honest, the boys might be super sweet but their music isn't meant for a live crowd. It's mellow, introspective, and not at all partying. The whistle song,......