Stuart Rosenberg, Rock and Roll and the American Landscape: The Birth of an Industry and the Expansion of the Popular Culture, 1955-1969, iUniverse, 2009; p. 95: "One of the best examples of country soul was the duo of Peggy Scott & Jo Jo Benson, who recorded with producer Shelby Singleton in Nashville and whose song 'Soul Shake' was likely the first soul record that featured a steel guitar (played ...Joseph Hewell, in 1941, in Phenix City, Alabama) moved to Pensacola, Florida to begin their career because they wanted to follow Pensacola recording artists James & Bobby Purify. Scott & Benson first teamed up with legendary Texas ..."