For much of her career, Chan Marshall was far from a sure thing, her performances as Cat Power erratic and uncomfortable. Lately, however, she’s come out of her shell, which may or may not have something to do with getting sober. A few years ago, a Cat Power solo show would have seemed out of the question. These days, it's something to look forward to. With Wainwright's opera dreams fulfilled, or at least in the rearview, he’s turned his attention back to filigreed pop unburdened by conceptual weight.