Paul Simon and Sting may sound like a somewhat unlikely pairing - 73 and 63 respectively, they're from opposite sides of the Atlantic, and found fame in different decades with different genres. But more than 40 years on, their musical ideas seem to be easy bedfellows, and sharing their bands and songs as part of their On Stage Together tour brought many wide smiles to Vector Arena last night. As the two stars took to the instrument-laden stage (including three drum kits), there was an enthusiastic curiosity in the crowd, and they were rewarded with the pair sharing the stage for more than a third of the set, duetting, adding solos, and generally having a ball...