Untitled Unmastered. – LAMAR,KENDRICK (LP)

From Wikipedia:

Untitled Unmastered (stylized as untitled unmastered.) is a compilation album by American rapper Kendrick Lamar. It was released on March 4, 2016,^[1] through Top Dawg Entertainment, Aftermath Entertainment and Interscope Records. It consists of previously unreleased demos that originated during the recording of Lamar’s album To Pimp a Butterfly (2015),^[2] continuing that work’s exploration of politically charged and philosophical themes, as well as its experimentation with free jazz, soul, avant-garde music, and funk styles. The album received widespread acclaim from critics, and it debuted atop the US Billboard 200.