The Rap Battle Beast of Philly Yo, what's good? It's your boy AJ, the battle rap beast from the streets of Philly. Let me take y'all on a journey through the rap mecca of the East Coast, where each hood's got its own flavor and vibe. From Northeast to Southwest, I've battled 'em all, and I'm here to tell you how I made my mark in the city that never stops spitting fire.