Shelf Location 1007638206 Label RCA Label Number NL 89582(2) Number of Discs 2 Discs The Indispensable Duke Ellington - Vol. 9/10: The Small Groups (1940-1946) (Disc 1) The Indispensable Duke Ellington - Vol. 9/10: The Small Groups (1940-1946) (Disc 2)