About Run the Jewels

Run the Jewels, also known by the initials RTJ, is an American hip-hop superduo, composed of Brooklyn-based rapper and producer El-P and Atlanta-based rapper Killer Mike. The duo signed with Fool's Gold Records to release their self-titled debut album (2013), which was critically acclaimed along with their subsequent albums—Run the Jewels 2 (2014), Run the Jewels 3 (2016), and RTJ4 (2020).

From Wikipedia