Sound Ancestors is a studio album by American musician Madlib. It was released on January 29, 2021, via Madlib Invazion. Produced by Madlib, it was arranged, edited and mastered by Four Tet. The album debuted at number 153 on the Billboard 200 in the United States.

Otis Jackson Jr., known professionally as Madlib, is an American DJ, music producer, multi-instrumentalist, and rapper. He is widely known for his collaborations with MF DOOM, J Dilla, and Freddie Gibbs. Madlib has described himself as a "DJ first, producer second, and MC last." His stage name is an acronym for "Mind Altering Demented Lessons In Beats".