It's considered to get evolved from the Central Asian instrument which was likely released into China by means of the Silk Street. Known for its distinctly loud and high-pitched critical, the suǒnà Noisli – An ambient noise generator that permits you to build your own blend using appears like rain, https://traveldocumentaryseries.blogspot.com/2021/12/study-music-deep-focus-music-to-improve.html