I first heard this when I was walking through my college’s campus center. A student jazz group called the Hot Sextet (ha, ha) was playing in the lounge area, and the melody stopped me in my tracks. Ellington tunes often have this quality of intense nostalgia, even when you’re hearing them for the first time.
I self-identify as a New York Jew, but I also have some ancestry from the Lutheran Midwest. If my paternal grandparents had gone out dancing in South Dakota in the 1930s, there’s a good chance they would have been dancing to Bob Wills and the Texas Playboys.