Photo: Joan Marcus At Queenie’s salacious parties, most everyone pretends to be someone else. A fading chorine still imagines herself a star. On the other side of the room, a stage actress past her prime pretends to be bankable. A bright-eyed teenager fudges a few more years into her age. Jewish producers trim down their last names to seem WASPy. “Uptown is lookin’ more like downtown, which / is looking more like uptown everyday!” a pair of Black musicians sing in Michael John LaChiusa’s