In 1957, Buddy Holly appeared on “The Ed Sullivan Show” on CBS, strumming his tunes on a Fender Stratocaster, which was casually slung across his body. The instrument had - and would - fundamentally change American culture and music. And, to a lot of people, it was a shock.

But behind the technological innovations inherent in the solid-body electric guitar is a story of two friends and rivals, people whose legacies have been inscribed on the guitars they created. Leo Fender and Les Paul, though, had little idea of the new genre of music this invention would instigate: rock ‘n’ roll.