Behind The Counter Blues Week of May 13Z.Z. HillThrill On The Hill--Beverly Records--$,' 19.99Millie JacksonAn Imitation Of Love--Beverly Records--$,' 24.99Betty WrightBetty Wright Live--Beverly Records--$,' 19.99Sunnyland SlimChicago Blues Session--Beverly Records--$,' 44.99All Behind the Counter Specials >This Week's Top 50--Beverly Records--$,' 36.98Local Record Shops OnlyNeighborhood Favs--Beverly Records--$,' 24.98RSD Overstock--Beverly Records--$,' 31.99Indie Exclusives--Beverly Records--$,' 35.98Local Record Shops Only