An instrument from this non-South Korean country is featured in Unsuk Chin’s concerto Šu. This country’s traditional instruments are categorized according to the “Eight Sounds” system. (10[1]-5[1])“Horse Racing” (10[1])is a popular piece for an instrument from this country, which contains a box traditionally made with python skin. The number (10[1])of frets may range from 12 to 31 on a pear-shaped lute from this country. One instrument from this country consists of two strings with a bow drawn between them.Traditional instruments accompany this country’s “eight model plays” in operas named after this country’s capital. For 10 points, name this country home to the erhu and pipa. (10[1])■END■ (10[2])