What kind of poem is Pipa Xing?

Pipa Travel is a long narrative poem by Bai Juyi, a poet in the Tang Dynasty. By describing the superb playing skills and unfortunate experiences of the pipa girl, this poem reveals the unreasonable phenomena such as bureaucratic corruption, the decline of people's livelihood and the burying of talents in feudal society, expresses the poet's deep sympathy for the pipa girl, and also expresses the poet's resentment at his innocent being demoted. The narrative and lyric of the whole poem are closely combined to create a complete and distinctive character image; The language flow is symmetrical, beautiful and harmonious, especially the description of pipa performance, which is clever in metaphor, turns virtual into reality and presents a distinct musical image.