Millions of people dream of the lavish life of fame, but singer Gary Jules had it all, and then gave it all up to go and live in the mountains, as he says ‘fame would have killed him off’. The former music star scored a huge ‘unexpected’ Christmas hit two decades ago when he released a cover of Tears for Fears’ Mad World, appearing in the soundtrack for the movie, Donnie Darko. His life changed forever, but he chose to leave it all behind. Gary Jules reveals why he ‘quit fame’The 54-year-old ‘little known’ songwriter was 34 at the time he rose to success when he found himself mingling with cel…