He talked about his album, To Pimp a Butterfly, and the fact that he was nominated for 11 Grammys this year. No big deal.
After chatting with Fallon, the rapper also debuted a brand new song, "Untitled 2."
The lyrics are insightful and inspiring.
And as the song continued, Kendrick got more and more hyped.
It's impossible not to feel moved by his performance.
You can (and should) watch the full video here: