Originated in the seventeenth century German country folk dance, with a beautiful, soft characteristics, is also a long history, the most popular dance. Today's Waltz has been improved; integration of Switzerland and Austria and other places of the earth dance "Vienna Waltz" characteristics, and slow down the music made. Rotation is the essence of Waltz, or even can be said to be Waltz's life. Improved Waltz, about after the First World War came from the United Kingdom. Because of the beautiful dance, with three beat music is so moving, lyrical with a little romantic and sad atmosphere, so very popular. Music: 3/4, accent in the first beat, thirty-two per minute or so.