Shh, It's A Military Secret

Alton Glen "Glenn" Miller was an American big band conductor, arranger, composer, trombonist, and recording artist before and during World War II, when he was an officer in the US Army Air Forces. His civilian band, Glenn Miller and his Orchestra, was one of the most popular and successful bands of the 20th century and the big-band era.

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“Shh, It's A Military Secret.” Glenn Miller. Radio broadcast, May 14, 1942.