Section.80 is the debut studio album by American rapper Kendrick Lamar. It was released on July 2, 2011, by Top Dawg Entertainment (TDE). In the years leading up to its release, Lamar previously produced various mixtapes under the moniker K.Dot. In 2010, Lamar released Overly Dedicated, his fourth solo mixtape. Shortly after its release, he began working on Section.80.