Flow down the hill. According to the information related to the song "Happy Song of Water", we learned that in the kindergarten, the water flows down the hill. The joyous song of water, ding-dong, ding-dong, is the clear stream, flowing happily down the hill. Hua La, Hua La, it is a winding river, bravely rush forward. Boom, boom, is the vast ocean, rolling huge waves excitedly. Ding dong, clatter, boom, it is the song of water, singing freely in the earth.