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Once vague and pastel, Lush’s music suddenly got harder-edged in both structure and attitude with the recent Lovelife, which surveys the casualties of the dating wars. “They’re all over the place, these children dressed as men,” conclude Miki Berenyi and Emma Anderson, which is the sort of single-girl observation that fuels the liveliest, most direct songs of the London quartet’s career. Opening are Eels, which combine Tinkertoy hiphop and oversweetened cutey-pop with dyspeptic commentary on contemporary mores, and Muzzle, a Seattle band that prefers melody to thump but doesn’t entirely exclude the latter. At 9:30 p.m. at the 9:30 Club, 815 V St. NW. $10. (202) 393-0930. (Mark Jenkins)