Charlie Musselwhite is a living blues legend who's still at it today. His debut album Stand Back! Here Come's Charley Musselwhite's South Side Band was released in 1966 and is considered a classic, seminal blues album.
Alongside The Paul Butterfield Blues Band and Johnny Winter, he set a new era of blues music that came from white heritage, sparking a new trend that became acceptable for non-blacks to play traditional blues.
Here's a slow blues from his debut album called 'No More Lonely Nights':