For all the mythmaking rock musicians do, sometimes the drama writes itself. In the late 1960s, a model named Patti Boyd somehow became the gravitational center of two of the greatest guitarists of the century. George Harrison was her husband, Eric Clapton was his best friend, and somewhere in the middle sat a love story that was about to get loud. What followed was heartbreak, obsession, hopeless longing—and “Layla”, one of rock’s most explosive masterpieces.