There remains one true payoff for a musician-the release of performance. Chicago's Loyal Divide understands this well. To see their live show is to witness a channeling of heaped aggravation; to hear them is to hear the musical approximation of fevered confession. Truly a live act, Loyal Divide knows how to produce electricity from frustration-frustration with poverty, each other, and the road. The band looks forward to only one thing: leaving all the sludge behind for a brief moment of on...