Hubert Sumlin's snarling guitar helped define Howlin' Wolf's sound. Though Sumlin never attained a fraction of the fame of his celebrated boss, he is revered by fellow blues musicians.
Edwards, the son of a sharecropper and grandson of a slave, performed with the founders of the art form, Robert Johnson, Charlie Patton, Son House, Tommy McLennan, Sonny Boy Williamson, Big Joe Williams. He was the last of the bluesmen from his generation.
DeLois Barrett Campbell and her siblings performed for more than 60 years as the Barrett Sisters, having found a kind of personal salvation in sacred music.
Perkins was born on a cotton plantation and taught himself guitar, but his arm was hurt in a stabbing, ending his dreams of becoming a guitar man. He collaborated with Muddy Waters, B.B. King and Earl Hooker and inspired Ike Turner. Last month he won a Grammy for best traditional blues album.
She helped launch some of the biggest names in traditional gospel through her vocal ensemble the Caravans.