"Diminuendo and Crescendo in Blue" is a jazz composition written in 1937 by Duke Ellington and recorded for the first time on May 15, 1937 by the Duke Ellington Orchestra with Wallace Jones, Cootie Williams, Rex Stewart, Barney Bigard, Johnny Hodges, Otto Hardwick, Laurence Brown, Joe Nanton, Harry Carney, Sonny Greer, Wellmann Braud, Freddie Guy, and Duke Ellington. Wikipedia