——竺琛 Crystal ——陈洁 Peggy --杨姗姗 Stefaine --陈笑帆 Claudia Waltz, one kind of ball dancing. It originates from the German folk dance. The beat divides two kinds about slow and quick. When performing, the men and women or two female pairs, with music accompaniment to the rotation. The waltz first became fashionable in Vienna around the 1780s, spreading to many other countries . The waltz, and especially its closed position, became the example for the creation of many other ballroom dances. In the middle of 19th century, it was popular in Western Europe, the 20th century got up, it is popular each place in the world. In the vocal music and the instrumental music ,waltz is evolves the development by it . In contemporary ballroom dance, the fast versions of the waltz are called Viennese Waltz. The Cross Step Waltz is a newer style of waltz where the first step is a cross-step into the line of direction. This was popularized in classes at Stanford University . Argentine Tango Waltz allows the dancers to dance one, two, three, or no steps to any four beats of waltz music. Palace Waltz