Music of Louisiana was at the heart of rock-and-roll in the 1950s. Most fans know that Jerry Lee Lewis, one of the icons, sprang out of Ferriday, Louisiana, in the middle of delta country and that along with Carl Perkins and Elvis Presley he was one of the very first of these "white boys playing black music." The genre was profoundly influenced by New Orleans, a launch pad for major careers, such as Little Richard's and Fats Domino's. The...