Question: Untitled 2 is a jazz rap song by American rapper Kendrick Lamar featured on a compilation album that was released on?
Sentence (from "Untitled 08 – 09.06.2014."): , titled "Untitled 2" before its official release, is a jazz rap song by American rapper Kendrick Lamar, featured on his compilation album, "untitled unmastered.
Relevant evidence: Yes