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The earth seminar in Havana was not only about earth constructions, but also about international dances adapted to the Cuban Son. During the closing evening of the seminar at the restaurant La Ferminia, under the effects of two intensive days of work, a few beers, a delicious meal and the incomparable Cuban music, even the most reserved dancers got up and moved their feet and hips to the sounds of delightful rhythms. A course on the special Cuban handkerchief dance for the male participants from more than eight countries, caused certain sensation because of its simplicity, its possibilities for practical appliance and its attraction for the female participants. The exclusive performance of the five voice group, CecatSamplin, had a great impact with its only melody, DO-RE-MI, and all left the restaurant in a conga line.