Erykah Badu is an American neo-soul singer and songwriter. In the 1990s, she became a leading light in the neo-soul movement, alongside friends like D'Angelo and The Roots. She released albums including Baduizm, Mama's Gun, New Amerykah, Pt. 1 (4th World War), and New Amerykah Part Two (Return of the Ankh). Her most popular songs include Didn't Cha Know, On & On, and Next Lifetime. Badu has collaborated with a wide range of artists as well, including Flying Lotus, Common, Robert Glasper, Tyler, The Creator, and Jamie xx. She has also made appearances in the films The Cider House Rules, The Land, and What Men Want.