C4 (mixtape)

C4
Mixtape by K.Dot
Released	January 30, 2009 (2009-01-30)
Recorded	2008
Genre	Hip hop
Length	77:13
Label	TDE
Producer	The Alchemist Bangladesh Cha Lo Cool & Dre D. Smith DJ Ill Will DJ Infamous Dave Free David Banner Deezle Drew Correa Kanye West Maestro Mousa Play-N-Skillz RZA Robin Thicke Rodnae Sounwave StreetRunner Swizz Beatz T-Pain The Neptunes
K.Dot chronology
No Sleep Til' NYC (2007) C4 (2009) Kendrick Lamar (2009)

C4 is the third solo mixtape by American rapper Kendrick Lamar, then known as K.Dot, released on January 30, 2009, through Top Dawg Entertainment (TDE). Heavily inspired by Lil Wayne's sixth studio album Tha Carter III (2008), the mixtape primarily consists of freestyles over the production from Tha Carter III, in addition to a few original songs.^[1] C4 includes guest appearances from Lamar's TDE label-mates Ab-Soul, Punch, Jay Rock, Schoolboy Q, and BO.