Musical form of polyphonic vocal works.

1. Excerpts from the lyrics of "Let's all dance", hey we all sing, hey we all dance, beautiful music accompanies us to dance, it's so happy to dance, hey we all sing, hey We all danced, and the beautiful music accompanied us. It was so happy.

2. "Let's All Dance" is a song based on the theme of the first paragraph of the German composer Bach's "Minuet in G Major". It is a song that can understand the basic characteristics of the melody progression and feel Songs in which the melody ascends, descends, repeats the same sound, and the melody progresses and jumps are musical forms of singing multi-part vocal works. They use unified and harmonious sounds to express consistent emotions and express the same will.