They were not only inventing the most important rock and roll music of their time, but they were also inventing the new rock and roll lifestyle, and the mystique about them was turning into legend. For a dozen years, they created revolutionary music, which defied categorization. Steeped in American blues and R&B, they refused to limit their imagination, drawing on rock, reggae, rockabilly, funk, Celtic, Arabic, and Indian influences, to create unique music of unprecedented power and grace, of exhilarating contrast. Jimmy Page, Robert Plant, Jonesy and Bonzo, they were playing true world music before it became a chart on Billboard.