Behind The Counter Blues Week of May 13Plas JohnsonThe Blues--Beverly Records--$,' 19.99Charles BrownGreat Rhythm And Blues Vol.2--Beverly Records--$,' 14.99Taj MahalTake Taj--Beverly Records--$,' 14.99Percy MayfieldThe Voice Within--Beverly Records--$,' 14.99All Behind the Counter Specials >This Week's Top 50--Beverly Records--$,' 39.98Neighborhood Favs--Beverly Records--$,' 35.98RSD Overstock--Beverly Records--$,' 10.99Indie Exclusives--Beverly Records--$,' 36.98Local Record Shops Only