Many music-minded viewers of the MLB All-Star Game earlier this month were shocked, astonished and disillusioned at the newest truck commercial Chevrolet unveiled. I know I was when I saw it a week or so later -- there were the standard shots of Chevy trucks sending up billowing clouds of dust as they thrummed down rutted dirt roads, crashing and splashing through rocky streams, and burly, flannel-shirted rednecks tossing bales of hay around -- but what was that music playing in the background? It was infinitely familiar yet, given its surroundings, completely out-of-place and exotic, like running into your spinster...