"Industrial" is a descriptor that fans and critics have applied to a remarkable variety of music: the oildrum pounding of Einst rzende Neubauten, the processed electronic groans of Throbbing Gristle, the drumloop clatter of Skinny Puppy, and the synthpop songcraft of VNV Nation, to name just a few. But the stylistic breadth and subcultural longevity of industrial music suggests that the common ground here might not be any one particular sound, but...