I'm not sure how singing and cowboys became a thing for movie fans, but here's Tex Ritter's Sing, Cowboy, Sing. Also, it was always important for a cowboy to have a special horse, and here it's White Flash. Of course, Gene Autry's Rudolph, the Red-Nosed Reindeer topped the charts in 1949, so there's something to singing cowboys for sure.
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