There are many musical instruments in Panlongcheng. You can buy a violin when you go to a musical instrument store. The violin is a stringed instrument. There are always four strings. The friction between the strings and the bow produces vibration, and then the vibration is transmitted to the back plate through the sound column in the * * * sound box, and the * * * vibration generated by these components gives out a harmonious and bright piano sound. The piano body (* * * sound box) is about 35.5 cm long and consists of a curved panel, a back panel and side panels.

The front panel is generally spruce, which is soft in texture, while the back panel and side panel are maple and mahogany, which is hard in texture. The head and neck of the piano are all maple, and the fingerboard is ebony.

Violin is widely spread all over the world and is the most important instrument in the string group of modern orchestras. It occupies a very important position in instrumental music, is the pillar of modern symphony orchestra, and is also a solo instrument with difficult playing skills. It is called the world's three major musical instruments together with piano and classical guitar.