Which ethnic group's folk song is Kangding Love Song?

"Kangding Love Song" is a folk song born in Kangding, Sichuan in the 1930s, which was spontaneously created by local people and gradually spread in the 1940s. In the mid-1940s, Wu Wenji, a Fujian student studying at the Qingmuguan National Music School in Chongqing, collected this song among the Kangding people who were in the army, and then passed it on to his teacher Wu Zhengqian, who loved it very much and asked Jiang Dingxian, a teacher in the composition department, to accompany it with music so that it could be sung. Wu Zhengqian loved the song so much that he asked Jiang Dingxian, a teacher in the Department of Composition, to compose a musical accompaniment for the song. After Jiang Dingxian finished the accompaniment, he renamed the original song "Running Horses on the Mountain" to "Kangding Love Song", and Wu Zhengqian sang it for the first time in a school concert. Later, Jiang Dingxian recommended this song to the then popular singer Yu Yixuan, Yu Yixuan the same year in Nanjing held a solo concert publicly sang this song, and later will be this song as their own reserved program, sung from Nanjing to the Great Northwest, sung from the country to foreign countries, so that the "Kang Ding Love Song" spread around the world.