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D.C. postrock bands like the Sorts and their peers drank deeply from the well of Brazilian Tropicália music, so you can’t fault Debate for borrowing back some of the District’s postpunk grit. São Paulo’s Debate scoops up some of Jawbox’s angularity and a little bit of Faraquet’s math and crossbreeds it with epic, Rush-inspired arena riffs and an affection for the Ex’s screeching improvisations. But Debate wisely refrains from lodging its music too firmly in the summer of ’93. On its most recent recordings, the group bravely dabbles in electronics—throwing crackling synthesizers and dub delays into an already cacophonous mix. Debate performs with The Convocation at 9 p.m. at the Velvet Lounge, 915 U St. NW. $8. (202) 462-3213. —Aaron Leitko