orchestra singer herself, greet the bands off stage, all part of a full-fledged charm offensive. >> kim jong-un is trying to show his audience that he is the young leader, he's dynamic, that he's actually the younger generation, that he's in touch with pop culture. and i think he's also trying to show that he can compete with the global popularity of k-pop. >> kim's charm offensive on the diplomatic front is every bit as choreographed and calculated. he sent his sister, kim yo-jong to the winter olympics, where the groundwork was laid for a summit between kim and the south korean president this month. kim just made a secret trip to beijing to consult with his closest ally about the summits. last month he made a surprise invitation to president trump for a one-on-one meeting, but neither kim nor his regime have spoken about that since then. a source with knowledge of the situation tells cnn kim was taken by surprise by how quickly trump accepted his invitation. kim hasn't tested a missile in