Listen to Kendrick Lamar on iHeartRadio | Listen to Dr. Dre on iHeartRadio 

Kendrick Lamar and Dr. Dre are joining forces for the latest Beats By Dre commercial. 

In the ad for the Beats Pill portable music player, Kendrick performs a new song that's backed by Dre's production.  Using the Beats Pill, Kendrick and Dre dissect the song and figure out that it's lacking a drum beat. 

Because the song is previously unheard, many believe that it's a preview of an upcoming collaboration between the pair. 

Check it out!