Watch: Kendrick Lamar Performs New Track “Untitled 2” on Fallon

Rapper debuts new song live on 'The Tonight Show'

Kendrick Lamar was the musical guest on The Tonight Show with Jimmy Fallon Thursday (January 7th), who came by with a brand new, never heard before song “Untitled 2.”

Fans got the hint earlier in the day when The Roots drummer Questlove tweeted this:

Before his performance, Lamar sat down with Fallon to discuss his Grammy nominations, video games and his 2015 critically acclaimed album To Pimp A Butterfly.

Check the player above to hear the new song, and check out their chat below.