I don't know if ther are fellow jazz aficionados on the board or not. Toots wrote and played on the Sesame Street theme and Old Spice jingles. He penned the Jazz standard Bluesette. He was the consummate musician.
http://www.npr.org/2016/08/22/490940271/toots-thielemans-jazz-harmonica-baron-has-died
http://www.npr.org/2016/08/22/490940271/toots-thielemans-jazz-harmonica-baron-has-died