1. Pitchfork Music Festival / July 29-30, 2006 / Chicago (Union Park)

    July 31, 2006 12:00 AM EDT On the scorching hot first day of Chicago's Pitchfork Music Festival, there was one band that was able to inspire an audience clap-along without any prodding from the stage. That band was Britain's Ar On the scorching hot first day of Chicago's Pitchfork Music Festival, there…