Rickman is multi instrumentalist from Washington, DC. known for his work with Shawn Lane, Garaj Mahal, Dapp Theory, Steve Coleman, Maxwell, Meshell Ndegeocello, Blacksheep, Phil Upchurch (his father), David Fiucynski & Screaming Headless Torsos, Kai Eckhardt, Anthony Tidd's Quite Sane, K'Alyn, Angela Bofill and George Duke. And that's just the tip of the iceberg.