All I Ask Of You is the love song that triggers the Phantom of The Opera's jealous campaign of retribution in Andrew Lloyd Webber's legendary musical - Cliff Richard and Sarah Brightman took it for a spin in 1986 and had a hit single. Big Spender became even more popular than the 1966 musical from which it came - 'Sweet Charity' - and Shirley Bassey did much to popularise it later. Written specifi…