Hip hop artist and Pulitzer Prize winner Kendrick Lamar is known to drop what fans call “Easter eggs” into his music — imagery that would escape those unfamiliar with his art.

On Monday, Feb. 10, the legendary director commended the "Not Like Us" rapper's performance on Instagram — and offered some insight to a historical reference he made. "I Want To Thank My Brother Kendrick For The 40 Acres And A Mule Shoutout Which Has Been The Name Of My Production Company Since NYU Grad Film School,