PBS
Pbs: Duke Ellington's Washington
This site explores the life of Duke Ellington, as well as the strong African-American community that flourished in Washington, D.C., during the time that Ellington lived there (1899-1923).
Other
G. Schirmer, Inc.: Edward K. (Duke) Ellington
Brief biography of the famous American Jazz composer, pianist, and band leader, Duke Ellington (1899-1974 CE). The site describes "Duke's" personal and professional life.