Shelf Location 1007635764 Label Smithsonian Label Number P6 15079 R 018 Number of Discs 6 Discs Duke Ellington: An explosion of genius 1938-1940 (Disc 1) Duke Ellington: An explosion of genius 1938-1940 (Disc 2) Duke Ellington: An explosion of genius 1938-1940 (Disc 3) Duke Ellington: An explosion of genius 1938-1940 (Disc 4) Duke Ellington: An explosion of genius 1938-1940 (Disc 5) Duke Ellington: An explosion of genius 1938-1940 (Disc 6)