What is the background of the composition of the Five Fingers Mountain Song

The Five Fingers Mountain Song is a Li folk song. It is a Li folk song popular in the revolutionary base area of Hainan Island, Guangdong during the Liberation War. The song expresses the love and support of the Li people for the Red Army and Chairman Mao with far-reaching and answering lyrics and fresh, beautiful and deep tunes. The development of the whole song is clearly defined, and finally ended with an upward tone, the end of the song is not yet finished, the faraway sweet song, seems to be still in people's ears circling, evocative of the past.