Run the Jewels are an explosive, aggressively creative hip-hop act that draws inspiration from all genres, including heavy metal. In the premiere episode of "Secret Metalheads" — our new series where we talk to musicians and figures outside of metal about their love for the genre — Killer Mike and El-P reveal their personal history with heavy music, from Black Sabbath and Metallica to Body Count, Rage Against the Machine, the Melvins and Nine Inch Nails.