It's been a controversial week on the dubstep front. First, there's a libertarian dubstep guy, and then we had to deal with a spin-off called “fratstep.” Now Korn is saying they invented dubstep?!

Dubstep is breaking through to the mainstream. The British-born EDM genre, once heard only in clubs and at raves, seems to be growing more popular by the week. Its trademarks — radically syncopated ...