AR Rahman review – impressively varied if patchy

O2 Arena, LondonThe Oscar-winning Slumdog Millionaire composer showed his gift for fusion, but this show lacked spectacle and his most popular hits went to wasteThis should have been a glorious celebratory party. It was Indian Independence Day and the country’s best-loved and bestselling songwriter was promising “The Greatest Hits Live”. AR Rahman has enjoyed an extraordinary career, providing soundtracks more than 100 films since the early 90s, while his Oscar-winning music fo