Bang is a self-released mixtape by American hip hop recording artist Chief Keef. The mixtape was hosted by DJ Hustlenomics and was primarily produced by DJ Kenn. It features guest appearances from Lil Reese, Fredo Santana, and SD. It was released on October 11, 2011 and is a predecessor to Keef's Bang, Pt. 2. This mixtape helped make Keef known in the Chicago area and led to his rise to fame in 2012.

...
Wikipedia