Samuel Andrew Gumbley, known professionally as S-X, is a British singer, songwriter, and record producer. As a record producer, Gumbley has worked with high-profile artists such as Chance the Rapper, Childish Gambino, Future, Lil Wayne, Meek Mill, and Nicki Minaj. He was Grammy-nominated for his work on Childish Gambino's album Because the Internet (2013).
