What are the folk songs of Gansu?

There are a lot of Gansu folk songs, and their representative songs are as follows:

"The Flowers of Shandan Blossom in My Sister's Hands"

"Going Up to the High Mountain and Looking at the Flat River"

"Green Slippery Green"

"White Peonies of A-Go"

"Gahma's Horse Pulling Back"

"A Pair of White Pigeons Flying in the Green Sky"

"There is a Snow Lotus on the Ice Beach"

"There are many folk songs in Gansu, and their representative songs are as follows.

"Think of My Big Eyes"

"The Wind That Scraps the Earth"

"A Brother is the White Cotton in the Sky"

"Sister-in-law of the Three Flowers"

"Bean Dundun"

"The A Brother on the Far Road Is Back"