Mildred Bailey

Juan Tizol Collection, courtesy of Steven Lasker

Duke Ellington was among the preeminent American composers of the 20th century, and the most exhaustively studied of all jazz artists. There are more books and articles about him than any other jazz musician, and collectors have pored over his vast discography — not just a prolific half-century studio output but also hundreds of hours of radio broadcasts, audience tapes, and film and television appearances.