Symphony Space sits on the corner of 95th Street and Broadway on Manhattan’s posh and progressive Upper West Side. It’s the kind of neighborhood where the conspicuously conscious jog among sidewalk textbook vendors and dusty-wigged doyennes chatting up imaginary friends. Just outside the theater, the city is tearing up the street to upgrade the overcrowded subway station. Inside, it’s so quiet you can hear the dancers’ bare feet patter across the boards. As they move, a man in the shadows twirls knobs, pushes keys, fills the room with the sound of broken breath and disembodied voices looped in harmony with the action. For the second half of the Short Form Weave performance, the shadow is accompanied by yMusic, a small orchestral ensemble. …MORE