Elmore James never tried to have crossover success. He was a bluesman through and through; an ambassador of the Mississippi Delta Blues with a modern, 1950s electric twist. Elmore's blues was as pure as his ambitions when starting out as a sideman for now legendary blues harpist Sonny Boy Williamson II. This week, Matt The Cat dusts off some prime Elmore James 78s from several labels and in many blues styles. It's the American soul that came before rock 'n' roll on the Juke In The Back.