The cold night air bites. On a city rooftop, a portable speaker shudders with bass, each beat a visible puff of breath in the dark. A razor-focused leader counts off to eight. The producer-in-training grips a talismanic microphone, while the swaggering rapper hisses a promise: "We do not miss a beat. We banish it." When the empathic youngest member flinches at a sour harmony, the stoic bodyguar...
