"RTJ4" is the fourth studio album by the hip-hop duo Run the Jewels, consisting of Killer Mike and El-P. Released on June 3, 2020, it features a mix of hard-hitting beats and socially conscious lyrics, addressing themes like systemic racism and police brutality. The album includes collaborations with various artists, such as Josh Homme and Phantogram. It received critical acclaim for its production quality and lyrical depth, solidifying Run the Jewels' reputation in the hip-hop genre. "RTJ4" was made available for free download, reflecting the duo's commitment to accessibility in music.