"Erhu" means the instrument has how many strings?

"Erhu" is widely played in which country?

There was a time period that Erhu was NOT allowed to be played in China. What was that time period called?

Traditional Chinese instruments were made with eight different kinds of material. Which one of the following was NOT being used?

The resonator (sound box) of an Erhu has how many sides?

Erhu is one of the instrument that belongs to the "Huqin" family. Which one of the following instruments does NOT belong to the "Huqin" family?

Erhu musical notation usually includes which one of the following items?

The resonator of an Erhu is usually covered by the skin of what kind of animal?

In this video, the Erhu solo is playing in which of the genres?