Musician, Composer and Singer Delbert McClinton Grammy-winning Delbert McClinton is considered a legend among Texas roots music aficionados. He's been making music since the 1950s in a style that seamlessly blends country, blues, soul, and rock and roll. Before he became known as a singer, he was a harmonica player with the Straightjackets, backing blues legends such as Howlin' Wolf, Jimmy Reed and Sonny Boy Williamson. On tour in England in 1962, McClinton gave harmonica lessons to a young John Lennon. Over the years, he's released a number of solo albums and has written music for Emmylou Harris, Wynonna Judd and Vince Gill.