Behind The Counter Blues Week of May 13Big Mama ThorntonSaved--Beverly Records--$,' 19.99Memphis SlimAll Kinds Of Blues--Beverly Records--$,' 24.99Tyrone DavisSexy Thing--Beverly Records--$,' 19.99James CottonPure Cotton--Beverly Records--$,' 14.99All Behind the Counter Specials >This Week's Top 50--Beverly Records--$,' 24.98Neighborhood Favs--Beverly Records--$,' 35.98RSD Overstock--Beverly Records--$,' 14.99Indie Exclusives--Beverly Records--$,' 39.98