It is a Yunnan folk song from Maidu County, Dali Bai Autonomous Prefecture. The lyrics are simple and natural, rich in imagination. The whole song is in feather mode, with five phrases, at a slightly slower tempo. With a relaxed and free rhythm and a melody that echoes and undulates, fresh and beautiful, and with the local characteristics of Yunnan, the song depicts a far-reaching mood full of poetry and paintings: under the silvery moonlight, the surrounding area is quiet, and only the small river under the mountain emits the sound of gurgling water from time to time. The intelligent and beautiful A-mei, seeing the scene, looking at the moon and expressing her feelings, poured her deep love for her brother into the beautiful melody. Soft song, deep friendship, with the water of the river, floating to the place where the brother.