Piano, erhu, drum set, which is classical music?

Piano is a traditional musical instrument in western countries, which can play classical music. The range of piano ranges from A2 (27,5hz) to C5(4 186Hz), which covers almost all the tones in the music system. It is an instrument with the widest range except the organ. Piano is widely used in solo, ensemble and accompaniment performances.

Erhu began in the Tang Dynasty and is called "Xiqin". It has a history of 1000 years. It is a traditional stringed instrument in China. Erhu, a two-stringed instrument, is also called "South Lake" and "Omz". Erhu is one of the main bowstring instruments in China national musical instrument family.