The simpler the melody, the more rhythmic and popular the song is. Take grasslands and plateaus as themes, and take unified and fixed forms as examples: I come from grasslands, and I want to take a train to Lhasa, a romantic grassland. Examples of old love songs that are close to the dancer's life and have a sense of the times are: Liu Hai chopping firewood, Aobao Meeting, and Fairy Descending. Examples of red songs and ballads in the last century: Dongfanghong, Shandandan Blossoming Red, Xintianyou and Liuyang River. Phoenix Legend's songs. (Attachment: A few years ago, I saw someone dancing "Thirty-six Strategies of Love", with only a few steps and many songs, so no matter what the songs are, the fixed movements are in place.