Behind The Counter Blues Week of May 12Jimmy & Erwin Helfer WalkerBlues And Boogie Woogie Piano--Beverly Records--$,' 14.99Tyrone DavisSomething’S Mighty Wrong--Beverly Records--$,' 14.99Canned Heat & John Lee HookerHooker ‘N Heat--Beverly Records--$,' 99.99LatimoreMore More More--Beverly Records--$,' 24.99All Behind the Counter Specials >This Week's Top 50--Beverly Records--$,' 34.98Local Record Shops OnlyNeighborhood Favs--Beverly Records--$,' 38.98RSD Overstock--Beverly Records--$,' 14.99Indie Exclusives--Beverly Records--$,' 39.98