Will it work? Can it work? Does GamesRadar even want DJ Hero to work? It's fair to say that Activision's follow-up to the mammoth Guitar Hero could be a tough sell. The rock god ideal is more universally aspirational than the superstar DJ archetype, and rock music is arguably more ingrained in the public consciousness than club tunes are. And how much fun can pretending to mix records by twiddling knobs on toy turntable be, anyway?