Glenn Miller History: February 10, 1942 - Glenn Miller awarded 1st ever gold disc for selling 1 million copies of "Chattanooga Choo Choo" May 7, 1941 - Glenn Miller records "Chattanooga Choo Choo" for RCA March 24, 1941 - Glenn Miller begins work on his 1st movie for 20th Century Fox April 28, 1940 - Glenn Miller records "Pennsylvania 6-5000" February 10, 1940 - "In The Mood" by Glenn Miller hits #1 February 5, 1940 - Glenn Miller and his Orchestra record "Tuxedo Junction" March 1, 1904 - Glenn Miller, bandleader, Glenn Miller Orchestra - In the Mood