CAPITOL HILL ARTS CENTER LOWER LEVEL 1621 12th Ave, 568-8585 This is subterranean digs. Float down a ramp on 12th Avenue to get there. There, meaning this place--place more pad than bar--featuring DJs, performance poetry, and electronic experiments b/w pub in back (customized red plywood booths and a homemade plywood bar to go with the beer, wine, cider, and sake offerings). This is Lower Level. Come down. JOSH FEIT