The well-known Tang poem "Gift to Wang Lun" mentions: "Li Bai was about to leave in his boat, when he suddenly heard the sound of treading songs on the shore." What kind of existence is "treading song" that often appears in Tang poems? Tap song is an ancient sports dance activities, the Neolithic period Majiayao culture "dance pattern pottery basin" in the decoration "hand *** dance" image can be described as "tap song" of the original The prototype of the song and dance, two feet on the ground for the festival, many people arm in a circle, no musical accompaniment, lyrics are mostly improvised, there is no specific queue, formation, and does not require uniform clothing, see here, there is no point "square dance" that means that this dance in the primitive society began in the Tang and Song Dynasty reached its peak, according to the literature, the Tang Ruizong period, on the first day of the New Year Festival on the fifteenth day of the first month of the year. According to the literature, during the reign of Emperor Ruizong of Tang, a grand "Song Treading" activity was carried out in the Lantern Festival of the Shangyuan Festival on the 15th day of the first lunar month, and the literature recorded the grandeur at that time, there were "thousands of palace maidens and more than 1,000 young women in Chang'an, dressed in brocade, treaded the song under the wheel of the lamp for three days, and made the courtiers make a song in memory of their victory. In the song, there is 'singing into the clouds' sentence", you can imagine a song and dance, celebrating the festive season of the magnificent scene.