2012 has been an important year in the development of EDM exiting the raves and entering the mainstream conversation. While some diehards might see this as a bad thing, the most important part is that we get good music. Sure, cry all you want about Skrillex getting producer credits on your favorite rapper's album; if the track works, that's all DAD's worried about. Now as we enter a new year, with a new flock of artists trying to catch that glowstick wave, let's look back at how some of your favorite rappers faired with their leanings into the dance music zone.