What is the relationship between Peacock Flying Southeast and Yuefu Poetry?

New Ode to Yutai is a collection of poems compiled by Xu Ling in Nanliang, including five-character poems, five-character poems and four-line songs. Xu Ling said in the preface that Ode to a New Yutai is mainly a selection of songs.

Yuefu was founded in the Han Dynasty, and was originally an institution for collecting folk poems. Later, the collected poems were called Yuefu poems, which gradually evolved into a poetic style, similar to quatrains, metrical poems, songs and ancient poems. ...

Peacock Flying Southeast is the first sentence of "Poem for Jiao Zhongqing's Wife", which is also an alias. It is an article included in Yutai New Poetry. To say it is Yuefu poetry refers to a genre.

Mulan Poetry is selected from Guo Maoqian's Yuefu Poems in Tang Dynasty (also a collection of poems, including Yuefu Poems), which is a northern folk song in the Southern and Northern Dynasties. "Bi" can be used as a general term for beautiful jade. Describing peacocks flying southeast and Mulan poems with "Yuefu Shuangbi" is a compliment to them and an outstanding representative of Yuefu poems at that time.