<p>New York in the summer is a noisy place, especially if you don’t have money. The rich run off to the Hamptons or Maine. The bourgeoisie are safely shielded by the hum of their central air, their petite cousins by the roar of their window units. But for the broke—the have-littles and have-nots—summer means an open window, through which the clatter of the city becomes the soundtrack to life: motorcycles revving, buses braking, couples squabbling, children summoning one another out to play, and music. Ceaseless music.</p>