Rock star Sting is on a mission which is seeing him "paying back his debt" to his Tyneside roots. On a return to the region, he tells Kate Proctor about childhood, fame and where he now calls home. Soaring over the heads of 600 fans and bouncing off the wooden window frames of a school hall, is Sting's voice. His distinctive soulful tone is still quite perfect - perhaps a little deeper now he is in his early sixties, but the audience know they are in on something remarkable...