Run the Jewels Drop '2100' for 'Everyone Who Is Hurting or Scared': Listen

As Run the Jewels, Killer Mike and El-P are two of music's most consistently political actors. The rap duo returned, dutifully, on Tuesday to drop "2100," a song about fear, love and "wanting more for all of us."

"How long before the hate that we hold / Lead us to another Holocaust?" Killer Mike opens. By the end, El-P is wondering "what a joy it'd be to see some peace in this life."