The music of singer-harpist Delbert McClinton roars out from that soulful place where blues, R & B, roots rock, and country and western meet. Gigging on Fort Worth's black blues circuit, McClinton early on developed an intuitive feel for blues and R & B expression. He later adapted this to a personal style fusing black pop influences with the hard-partying energies of the mid-70s "southern rock" revival. McClinton turned his back on recording in the early 80s, but he continued his grueling 200-gig-a-year pace playing club dates around the country, furthering his reputation as one of the hottest good-time rockers around. In 1986, guitarist Roy Buchanan coaxed him back into the studio; since then McClinton has continued in his kick-ass roadhouse groove while revitalizing his recording career. When he's on, McClinton packs as fierce a wallop as anyone on the scene, and his years of dues paying have resulted in a never-say-die dedication; he won't quit until the roof is blown off. Tonight, Shades, 21860 N. Milwaukee, Prairie View; 634-2583. Sunday, B.L.U.E.S. Etcetera, 1124 W. Belmont; 525-8989.