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In the early ’90s, CJ Bolland was known as the producer of some of techno’s hardest tracks. With their brutally martial beats and low-down rumbles, “Horse Power” and “Fourth Sign” slammed against the smiley-faced acid scene like Ken Harvey clobbering a quarterback. But after signing a five-album deal with Internal/London, Bolland released The Analogue Theatre in 1996 and squirted out the saccharine single “Sugar Is Sweeter.” It had guitars, breakbeats, screaming diva vocals, and all the personality of a Prodigy reject. See if Bolland can recapture his “Ravesignal” sound when he’s joined by fellow Englishman Doc Scott, who co-founded the Metalheadz label with New Age jungle-weenie Goldie, at 9 p.m. at the Capital Ballroom, 1015 Half St. SE. $12. (202) 828-1984. (Christopher Porter)