Qin, also known as heptachord, Yuqin, Sitong and lyre, is a traditional musical instrument in China with a history of at least 3, years.

The basic features of contemporary guqin are:

Number of strings: seven

Piano face: There are thirteen emblems (generally made of round mother-of-pearl with different sizes) outside one string. The bottom plate (hardwood) of the piano body is generally flat, and the upper panel (cork) is arcuately convex, symbolizing heaven and earth respectively, which corresponds to the ancient theory of round heaven and earth.

shape: the piano body is slender, generally about 12cm long, 2cm wide and 6cm thick.

this shape has been around for over a thousand years.

volume: the volume of guqin is much smaller than that of most musical instruments, so it is suitable for listening in a quiet environment.

playing method: playing by hand.

There are many shapes of the piano (such as Fuxi, Shennong, Zhong Ni, Lingbi, Liezi, Sunset, Lingguan, Banana Leaf, Fengshi, Shi Kuang, etc.). As shown in the above picture, the guqin is the "Great Sage" of the Tang Dynasty.

More detailed structure inside and outside the piano:

Ancient books record that Fuxi made the piano, and there are legends such as Shennong, Huangdi and Tang Yao. Shun set the piano to be five strings, Wen Wang added one string, and Wu Wang cut another string to be seven strings [1-2]? ; It can be seen that Guqin culture has a long history and is profound.

Guqin has 13 emblems to mark the melody, and it is also a ritual instrument and musical instrument. It belongs to the silk in the octave. Guqin has a wide range, a deep timbre and a lingering sound.

Guqin is the most prestigious musical instrument in Chinese culture. Since ancient times, "Qin" has been its specific meaning. In the 192s, it was renamed as "Guqin" to distinguish it from "piano". Qin has the saying that "scholars don't withdraw their harps for no reason" and "left the piano and right the book". Ranked first among the four traditional arts of China, Qin, Qi, Calligraphy and Painting, it is regarded as an elegant representative and an accompaniment instrument for literati to sing. It has been a necessary knowledge and compulsory subject for many literati since ancient times. The story of Boya and Zhong Ziqi's bosom friend "high mountains and flowing water" has been passed down to this day; Qintai is regarded as a symbol of friendship. A large number of poems and prose have the figure of Qin.

There are more than 3,36 piano pieces, more than 13 piano scores and 3 piano songs. The main spread range is the countries and regions in the Chinese cultural circle, such as China, North Korea, Japan and Southeast Asia, and there are also piano clubs organized by piano people in Europe and America. Guqin, as the earliest plucked instrument in China, is a treasure in Chinese culture and a masterpiece of human oral and intangible heritage.

The physical objects unearthed from the tomb of Zeng Houyi in the Eastern Zhou Dynasty are more than 2,5 years ago. Since the Tang and Song Dynasties, guqin masterpieces have been handed down from generation to generation. There are more than 1 kinds of musical scores from the Southern and Northern Dynasties to the Qing Dynasty, and there are 3, pieces of musical instruments. There are also a large number of documents about the pianist, the piano theory, the piano system and the piano art, and the rich remains are the best among Chinese musical instruments. In the Sui and Tang Dynasties, guqin was also introduced to East Asian countries, and was absorbed and passed down by the traditional culture of these countries. In modern times, with the footprints of Chinese people all over the world, it has become a symbol of oriental culture in the eyes of westerners.

, also known as Qin Zheng, Han Zheng, Yao Zheng and Luan Zheng. It is a Zheng instrument in traditional Chinese musical instruments, belonging to plucked instruments. It is one of the unique and important national musical instruments in China.

Basic characteristics of modern Zheng:

Number of strings: 21

Zheng surface: each string is supported by a Zheng column (Zheng code) to adjust the pitch and sound quality, and can be used for tone modulation.

shape: approximate to a long box, slightly protruding in the middle, and the bottom plate is flat or nearly flat. It is about 163cm long, 3cm wide and 1cm thick.

Volume: Louder volume

Playing method: Generally, guzheng players bring fake nails, which is usually made of tortoiseshell.

before the Han and Jin dynasties, the zither had twelve strings, and then it was increased to thirteen strings, fifteen strings, sixteen strings and twenty-one strings.