Radio 2 Arts Programme Elvis Presley was the first great rock 'n' roll star, but he became far more. By the time of his death in 1977, he had become a great actor, patriot, country and gospel singer, glittery Las Vegas balladeer-and finally a bloated travesty of his younger self. But as time passes, the legend only grows greater. Adam Sweeting looks at the life and music of the country boy who grew into a religion. Producer Madelaine Cuming