Kendrick Lamar Duckworth (born June 17, 1987) is an American rapper from Compton, California. Lamar embarked on his musical career as a teenager under the moniker K-Dot, releasing a mixtape that garnered local attention and led to his signing with Carson-based independent record label Top Dawg Entertainment (TDE). Lamar began to gain major recognition in 2010 after his first retail release, Overly Dedicated. The following year, he released the independent album Section.80, which included Lamar’s debut single, “HiiiPoWeR”. By that time, he had collaborated with several prominent artists in the hip hop industry, including The Game, Snoop Dogg, and Busta Rhymes.
On March 4, 2016, Lamar released a compilation album untitled unmastered., containing eight untitled tracks, each dated. Lamar later confirmed that the tracks were unfinished demos from the recording of To Pimp a Butterfly. The compilation album debuted atop the U.S. Billboard 200.