Duke Ellington was the most important composer in the history of jazz as well as being a bandleader who held his large group together continuously for almost 50 years. Bassist, composer, arranger, and bandleader Charles Mingus cut himself a uniquely iconoclastic path through jazz in the middle of the 20th century, creating a musical and cultural legacy that became universally lauded. One of the most gifted musicians in jazz history, Max Roach helped establish a new vocabulary for jazz drummers during the bebop era and beyond.