dave and rene. >> thank you, fred. must cical difficulplomacy korean peninsula. north and south korea giving a joint performance in pyongyang. this is wrapping up a four-day group of the visit of artists. we have paula hancocks with more in seoul. good morning, paula. >> reporter: rene, we have yet to hear any information on the joint performance. the north korean leader kim jong un went to one of the k-pop concerts. he was said to be deeply moved by the reaction by his people. remarkable when you consider the north korean people are severely punished by the regime if they are caught watching south korean pop culture from smuggled merchandise. the north korean leader appeared to -- to enjoy himself.