What is c4 kendrick lamar?

C4 is the fourth mixtape by American rapper Kendrick Lamar, released on February 28, 2010. The mixtape features guest appearances from Ab-Soul, Jay Rock, Boogie, Punch, and BJ the Chicago Kid. It was produced by Top Dawg Entertainment's in-house production team, Digi+Phonics.

The title C4 is a reference to the plastic explosive used in military operations. The mixtape is characterized by its raw and aggressive content, with Lamar exploring themes of violence, drugs, and hustling.

Despite being a mixtape, C4 received critical acclaim for its production and Lamar's lyricism. It helped establish Lamar's reputation in the rap industry, paving the way for his future success. Some of the standout tracks include "The Heart Pt. 2," "Shot Down," and "No Make-Up (Her Vice)."