What are the similarities and differences between Liangzhou Ci and Yellow Crane Tower's farewell to Meng Haoran?

Liangzhou Ci, also known as Liangzhou Song, is the lyrics of Liangzhou Song, not the title of a poem, but the name of a popular tune in the prosperous Tang Dynasty. There are many versions of Liangzhou Ci, such as Meng Haoran, William Wang and Wang Zhihuan.

The Yellow Crane Tower Farewell to Meng Haoran in Yangzhou is one of the masterpieces of Li Bai, a great poet in the Tang Dynasty. This is a farewell poem, with parting feelings and scenery.

If we want to find similarities between Liangzhou Ci and Yellow Crane Tower's Farewell to Meng Haoran, we can only think that Meng Haoran and Li Bai, one of the writers of Liangzhou Ci, are good friends and appreciate each other. The difference is obvious, and the two are completely irrelevant.