The term EDM -- short for "electronic dance music," a catchall term for the floor-filling, beat-heavy tracks that dominate clubs -- has become one of the music business' most important stories over the past few years, thanks to the way its big synths have bubbled up on radio and the way its DJs have raked in massive amounts at residencies in Vegas and festivals. The Electric Zoo Festival, which brings its sixth installment to Randalls Island this weekend, is a crash course in EDM that brings together hundreds of artists and tens of thousands of dancers. Some attendees will take the festival's "zoo" idea quite literally, adding animal touches to their outfits or getting full-on suited up as another species as they relax. Here's a quick guide to the three-day, six-stage party.
