MPX5069804: Entertainment dancing. The Dutch National Ballet makes its London dabut at Sadlers Wells theatre in a one-week season. The guest artist is Rudolph Nureyev who dances at the opening performance in the ballets "Apollon Musagete" and "Monument for a Dead Boy". in "Monument for a Dead Boy". Members of the ballet in a scene from an abstract ballet called "Moments". December 1969 Z11506 / Bridgeman Images