Beginning in the mid-1920s, radio stations that catered to rural audiences sponsored programs featuring country music, generically termed "barn dances." Ranking second in terms of longevity and perhaps in significance to the Grand Ole Opry from WSM Nashville came the Jamboree in Wheeling, West Virginia. It became the springboard for such country stars as Wilma Lee and Stoney Cooper, Hawkshaw Hawkins, the Osborne Brothers, Doc and Chickie Williams,...