First teased on his Instagram page on March 23, 2017, “The Heart Part 4” is the first Kendrick Lamar single of 2017. In the track Kendrick describes his changing lifestyle; before warning other rappers that he is not to be messed with. He finishes the song with the line, “Y’all got til April the seventh to get y’all shit together,” hinting at the release date for his fourth studio album.
This track is the fourth installment in his “The Heart” series: Pt. 1, Pt. 2, and Pt. 3.