"Mulan Poems" is selected from "Yuefu Poems" compiled by Guo Maoqian of the Song Dynasty. It is a Yuefu folk song of the Northern Dynasties. There are different opinions on the era when it was produced, but from the historical and geographical conditions, it can be determined that the poem and the poem may have originated in the Later Wei Dynasty. This poem was produced among the people. In the long-term circulation process, there are traces of polishing by later generations of literati, but basically the folk song Yi Yi is preserved. Easy to remember and recite. "Collection of Yuefu Poems" is the most complete collection of Yuefu poems. The folk songs in it vividly reflect the social life and customs of the people at that time, and are divided into two parts: Southern Songs and Northern Songs. Beige, that is, northern ethnic folk songs, has a wide range of topics and a majestic, warm and simple style.
Reference: Baidu