The musical feature of three acts of ballet is that the melody is long, smooth and complete. Regular melody, strong symmetry, prominent stress and strong sense of rhythm. There are few changes in speed, intensity and contrast. According to the relevant public information, three acts of ballet were made between 1935 and 1936, and the script was adapted from Shakespeare's play of the same name, characterized by long, smooth and complete melody. Regular melody, strong symmetry, prominent stress and strong sense of rhythm. There are few changes in speed, intensity and contrast.