“I can recall only one concert that ever converted an entire roomful of disbelievers to indie missionaries. It was 1996, in a small Australian town. Roughly 100 Slayer and Metallica fans had gathered, mostly against their will, to see the Archers of Loaf. The longhairs initially responded to the set with deformed sneers and abuse, yet the gig ended amidst tears of revelation and recognition. Such w”