As Stephen Colbert prepares to say goodbye to "The Colbert Report", he welcomed Kendrick Lamar. Kendrick debuted an untitled new track alongside a band featuring Thundercat and Bilal. The track was reportedly produced by Astronote. Watch below via MissInfo.tv. Update: Official video is now available.

Kendrick also sat down for a brief conversation with Stephen. Stephen joked that since he was the last-ever musical act on the "Report", "Paul McCartney, R.E.M., Jack White, and Nas were your opening acts." They also discussed why Kendrick prefers being referred to as a writer instead of a rapper and what he wants to communicate through his songs.

Stephen also recommended that he turn "Swimming Pools" into a Dewar's commercial and asked about his "stage name" Kendrick Lamar. "Why did you decide to name yourself after Anna Kendrick and Senator Lamar Alexander?"

The Colbert Report

Get More: Colbert Report Full Episodes,The Colbert Report on Facebook,Video Archive

The Colbert Report

Get More: Colbert Report Full Episodes,The Colbert Report on Facebook,Video Archive

Watch Lamar perform "Fuck Your Ethnicity" at Pitchfork Music Festival:

Watch Thundercat perform "Them Changes" as part of Pitchfork's Nightcap series: