The poem projects a beautiful and Sonic Vista, but what it reports on singing and dancing is non-specific. Its music and dance both changed greatly in appearance. The dance, meanwhile, was performed by 300 youths under 19 years of age. This clearly was a large scale professional dance. He didn't have time to write lyrics for the whole thing, But only composed the first song of the middle Prelude to pass on to later generations. Below is the ancient tune middle Prelude of rainbow skirt, recorded in songs of the whitestone Taoist next to the score. Time Slips Away as I sigh as the apricot branches and paired swallows, just visiting. The affections are moved within and take on form in speech. When sighing them is insufficient, one draws them out by singing.