The Shadows are usually thought of as the quintessential British instrumental group and, along with the American band the Ventures and the Swedish group the Spotnicks, one of the most popular instrumental groups in the world. But that barely tells the story of their true significance in the history of British rock & roll – including the fact that they were the first homegrown British rock & roll band to dominate the U.K. charts, or that they weren't originally an instrumental group, either.