Queen performs "Radio Ga Ga" at Live Aid in London in 1985. It's been more than 33 years since Queen, spearheaded by their electric front man Freddie Mercury, charged onto the stage of the 1985 Live Aid concert and performed the set often lauded as the greatest live gig of all time. Here Freddie demonstrates his ability to captivate an audience of more than 70,000 at Wembley Stadium in London; 99,000 at John F Kennedy Stadium in Philadelphia and its been estimated that another two billion people