Sound Off: Where The Military's Rhythm Came From

In almost every Hollywood depiction of the American military, at some point a bunch of guys will jog past the camera, singing and stepping in unison. That rhythm infiltrated the Army in 1944.

Source: http://www.npr.org/2014/06/16/322589902/sound-off-where-the-militarys-rhythm-came-from?ft=1&f=1039

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