The vehicles lined up six deep down both sides of the arena. The news trucks along Flatbush Ave., their satellite antennas towering over the street lights as the sun dipped. The ambulances along Atlantic Ave., uniformed EMS milling about smoking cigarettes. Only one group expected anything to happen.

In what is becoming the de facto encore at EDM shows around the country, 36 people—most of them teenagers—were taken to hospitals last night after an Avicii show in Boston. Believe it or not, drugs and alcohol are thought to be the main cause.

It's Friday afternoon. Feeling good? Excited for the weekend? That's nice. Let's look at this list of men who make giant bags of money to play pre-recorded tracks in public and see if you still feel that way.