This is a sweet, fresh and soothing BGM, all written with clean acoustic instruments, such as warm nylon guitar, piano, whistle, sand hammer, etc.
这是一首甜甜的，清新舒缓的BGM， 全部采用干净的原声乐器编写而成，如温暖的尼龙吉他，钢琴，口哨，沙锤等等。