What are the top ten banned musical instruments? Can you be specific?

At present, we only know that the only banned instrument is Waterphone.

Shuiqin, translated as Shuiqin in Chinese, is a unique atonal instrument, which was invented and improved by Richard Waters in 1968- 1969. The limited production of this instrument ensures the uniqueness of each water harp. It is mainly composed of a stainless steel resonator "bowl", a cylindrical "neck" and a rod-shaped brass ruler welded on the outer edge of the "bowl". It can be played with a little water.

It is an instrument used for film soundtrack, and it is this instrument that makes the creepy metallic sound in most horror movies.

Shuiqin is a unique atonal instrument, which mainly includes a stainless steel resonator "bowl" and a cylindrical "neck", containing a small amount of water and dozens of brass rulers of different lengths. The sound it makes is illusory, mostly metallic, and it can make all kinds of creepy sounds according to the player's playing skills and severity.

At present, this musical instrument is produced in limited quantities, and all water phones are arranged by the inventor alone, ensuring the uniqueness of each water phone.