"D4" is the fourth studio album by American rapper Lil Durk, released on December 24, 2020. The album features a mix of hip-hop and drill music, showcasing Durk's signature style and lyrical themes. It includes collaborations with various artists, enhancing its appeal to a broader audience. The album received positive reviews for its production and Durk's emotional delivery. Notable tracks include "Backdoor" and "Still Trappin'," which highlight his experiences and struggles. "D4" solidified Lil Durk's position in the music industry and contributed to his growing popularity.