Born Kefin Dolan, Chief Keef rose to prominence in the early 2010s as a key figure in the Chicago drill scene. His early mixtapes, such as "The Glory Boyz" and "Bang," gained local recognition, but it was "Finally Rich" that catapulted him to national fame. Released on December 5, 2012, the mixtape was a game-changer for Keef, introducing his distinctive style to a broader audience.