What works reflect love and marriage in Yuefu folk songs?

Folk songs in Yuefu, such as "Thinking Innocent" and "Pulling Grass on the Mountain". , or express the persistent pursuit of love, or express the sadness of husband and wife parting, or express the sadness of abandoning their wives. Peacock flies southeast, the most outstanding long narrative poem in the Eastern Han Dynasty, accuses the evil of feudal ethics by describing the marriage tragedy of a loving couple.