In this episode of What Had Happened Was, El-P tells the story of the LP that serves as the origin of Run The Jewels. In 2012, Williams Street Records (part of Adult Swim) paired El with Killer Mike to produce an album. The bombastic LP combined the sounds of both artists and changed the course of both of their careers in its wake. The pairing of El-P and Killer Mike has been genre-bending and extremely successful, learn more about its origin and hit the archives for more below...