Eminem famously bodied his “Forgot About Dre” guest verse beside his mentor on SNL, but the star also killed his feature while performing on Top of the Pops, a televised music platform created overseas by BBC. The program aired for more than 40 years, hosting the likes of the Beatles and the Rolling Stones decades before a rapper from Detroit ever rocked the stage and drove home a simple message: Hip-hop is a force to be reckoned with.