In the mid-1950s, Chet Atkins performed this beautiful, virtuosic rendition of the song "Mr. Sandman." It's got a terrific beat, incredible guitar tone, and of course nobody beats Chet Atkins at finger-picking. Enjoy:

In 1989, Atkins performed a slightly mellower rendition:

A version of this tune appears on Atkins' terrific 1955 album Stringin' Along with Chet Atkins. (It also appears on The Essential: Chet Atkins, available on a streaming service near you.)

If you're a guitarist and want to learn to play this, here's a YouTube tutorial. (It ain't easy.)