Folk songs in Mulan's poems can be divided into () and ().

Mulan Poetry is (Southern and Northern Dynasties)

A folk song from the northern period, selected from (Song)

North Korea (Guo Maoqian)

Edited (Yuefu poetry anthology). The folk songs in this collection are divided into two parts: wusheng songs and western songs.

answer

Wushengge

and

Xiquge