东汉乐府诗歌的变异王守雪两汉文学，诸多差异，实因政治、经济、思想、文化状况多不同。然而治汉乐府者，往往将两汉乐府笼统而论。萧涤非先生研究乐府诗歌多有建树，曾提出一个重要问题：“西汉之有民间乐府，因其事见班书，故可无疑。东汉则乐府之设立，史无明文，藉令... Variation of Yuefu Poetry in East Han Dynasty Wang Shouxue Han literature, many differences, because political, economic, ideological and cultural conditions are many different. However, those who rule the Han music house, often the Han Dynasty Yuefu generally speaking. Mr. Xiao Difei’s research on Yuefu poetry has made a lot of achievements. He once raised an important question: "There is a Folk Yuefu in the Western Han Dynasty, because there are no problems with the class books, so the establishment of the Yuefu in the Eastern Han Dynasty is unprecedented.