|Cultural origins||1950s, U.S.|
African American singers and musicians who grew up listening to the electric blues by artists such as Muddy Waters, Jimmy Reed, and Elmore James, and soul singers such as Sam Cooke, Ray Charles and Otis Redding fused blues and soul music. Bobby Bland was one of the pioneers of this style.
- Unterberger, Richie (1996). "Soul Blues". In Erlewine, Michael; Bogdanov, Vladimir; Woodstra, Chris; Koda, Cub (eds.). All music guide to the blues : The experts' guide to the best blues recordings. All Music Guide to the Blues. San Francisco: Miller Freeman Books. pp. 374–375. ISBN 0-87930-424-3.
- Gordon, Robert. "Muddy Waters: Can't Be Satisfied". PBS. Retrieved January 6, 2015.
- Richie Unterberger. "Ray Charles". AllMusic. Retrieved December 20, 2019.
- "Biography". Otis Redding Official Website. Archived from the original on November 26, 2010. Retrieved August 3, 2011.