Does anyone have an article or video that discusses what guys like this actually do while onstage? I know the joke is always that they're just playing solitaire or something but would be very interested what is actually done during a live electronic show, other than the lighting and visual effects.
The Deadmau5 article? It's on his blog, somewhere.
Yes, they push buttons then they're paid hundreds of thousands of dollars for doing so. But everyone knows that EDM shows are glorified light shows; news to no one.