Last night whilst we were pondering the finer points of coq a vin on 'Top Chef,' a small but serious contingent of Greenpoint hipsters (they're just like Williamsburg hipsters but taller, slightly less preposterous and more rugged) were enjoying a drink-laden and secret show by Beirut, Zach Condon's Balkans-Brooklyn indie-folk-whatever band. But the hipsters had a dirty secret.