Link Wray may never get into the Rock and Roll Hall of Fame, but his contribution to the language of rockin' guitar would still be a major one, even if he had never walked into another studio after cutting "Rumble." Quite simply, Link Wray invented the power chord, the major modus operandi of modern rock guitarists. Listen to any of the tracks he recorded between that landmark instrumental in 1958 through his Swan recordings in the early '60s and you'll hear the blueprints for heavy metal, thrash, you name it. Though rock historians always like to draw a nice, clean line betwe...