Released in 1959, Mingus Ah Um is a landmark jazz masterpiece that showcases Charles Mingus's genius for blending gospel, blues, and hard bop into complex, soul-stirring compositions. The album features iconic tributes to his musical heroes, such as "Goodbye Pork Pie Hat" and "Fables of Faubus," solidifying it's place as a definitive record of the post-bop era.