When the fledgling Beatles went to Hamburg in 1960, they had no idea that their world--and music--was going to change forever. Associating with gangsters and prostitutes and sleeping in appalling conditions behind a cinema screen, the Beatles pounded out beat music in strip clubs and dens of vice like the Indra, the Kaiserkeller, the Top Ten, and the Star-Club. In the process, they changed their way of playing, got arrested and deported, wore black...