"Y'all are making Brighton seem like where the party's at", yells DJ Big Whiz from behind the decks. The roar of protest from the crowd, packed tightly underneath Cargo's Victorian arches so movement is reduced to peristalsis-like shuffles, is the desired response: Londoners don't take well to comparisons with our southern cousin. As his DJ riles the crowd, Definitive Jux rapper Aesop Rock lounges across the stage with a Cheshire-cat grin. On the second......