The acknowledged kingpin of the Louisiana school of blues, Lightnin' Slim built his style on his grainy but expressive vocals and rudimentary guitar work, with usually nothing more than a harmonica and a drummer in support. It was down-home country blues edged two steps further into the mainstream, first by virtue of his electric guitar, and second by the sound of the local Crowley, LA musicians who backed him being bathed in simmering, pulsating tape echo. As the first great star of producer J.D. Miller's blues talent stable, Lightnin' Slim had a successful formula that score...