It is the integration of ancient poetry. Yuefu poems under the Han and Wei Dynasties often take "Song" or "Xing" as the topic. Although the names of the two are different, there is actually no strict difference. Later collectively referred to as "Gexing Style". Said, "Songs come from music.
However, fu refers to what is recited ... in a more free form. "The language is popular and fluent, and the text spreads more widely." Xing "means" music ".