At one time Chan Marshall, the woman behind the nom de indie rock Cat Power, was notorious for the wildly erratic nature of her live performances. If she is more comfortable now onstage -- and judging by her intermittently captivating concert Wednesday night at the House of Blues she is-- it does not mean her shows do not come without their share of other issues. While she was often mesmerizing, the 90 minute show also had audio and pacing problems.
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