PERHAPS ONE DAY Stevie Wonder will recognize that inviting a British audience to sing along with him does not evoke the kind of ready response with which the same tactic is presumably welcomed in Detroit or Altanta; his music is loved by Britons, but en masse they cannot be expected to unbutton themselves – never mind get the hang of the syncopated handclap patterns which he patiently tried to teach to a few thousands of us at the weekend.