CIRCA 1956: Country singer Johnny Cash performs on the WSM Grand Ole Opry tour with his band the Tennessee Two which included bassist Marshall Grant and guitarist Luther Perkins in circa 1956. (Photo by Michael Ochs Archives/Getty Images)
CIRCA 1956: Country singer Johnny Cash performs on the WSM Grand Ole Opry tour with his band the Tennessee Two which included bassist Marshall Grant and guitarist Luther Perkins in circa 1956. (Photo by Michael Ochs Archives/Getty Images)