I first heard guitarist/harmonicaist Toots Thielmans on a vinyl album I came acorss in a LP store in Quebec, Canada, when I visited there a few years ago. It was from when he was playing in the George Shearing quintet. Toots is probably best know for his 1961 jazz masterpiece Bluesette (played on harmonica; and here’s a live bossa nova edition from ’07, with Thieleman on guitar this time).
Here’s another version I like a lot. It’s by jazz guitarist Robert Conti: