My children were given a soft toy a few years back from a relative who had bought it from a Chinese street market while on holiday in China. When it was switched on it jumped about frantically and sang a very loud and shrill song. Not 100% sure which language it was, but it is entirely possible it was some form of Chinese street music, and certainly fits the article's description of "Mainland Chinese recordings" as "shouty, harsh and ear-piercing". Normally my children love things that adults find annoying, but even they were afraid of this one.