Atlanta rapper Playboi Carti has carved out a unique place in hip-hop. This thanks in part to his signature baby voice.

An example is his feature on songs such as Tyler, The Creator’s “EARFQUAKE” and Solange’s “Almeda.” Genius recently spoke to Dr. Sharese King.

Sharese is a post-doctoral scholar at the University of Chicago, who explained there’s deeper implications to Carti’s vocal style. Watch the full video below: