Abstract Billy Strayhorn (1915-1967) was an American jazz pianist, composer, arranger, and lyricist. He is prominently known as the leading arranger for the Duke Ellington Orchestra, a position that he held for nearly three decades. The collection chiefly contains scores, sketches, lead sheets, and parts for original compositions and arrangements by Strayhorn and Ellington, as well as business papers, photographs, scripts, and other materials pertaining to Strayhorn's life and the posthumous...