Guzheng

Overview

The guzheng is a long zither used in Chinese music, with a slightly arched wooden body, a row of free-standing movable bridges, and (today) twenty-one strings stretched across the entire length of the instrument. The right hand plucks the strings with picks taped to the fingers, while the left hand presses, bends, and slides the strings on the far side of the bridges to add ornamentation and inflection.

It is one of the oldest and most widely played plucked instruments in China. In recent decades it has also become one of the country’s most popular conservatory instruments, with millions of students and a steady output of new repertoire and arrangements.

Origin & History

The instrument has a documented history of well over two thousand years on the Chinese mainland, with the earliest forms developing from related plucked zithers during the late Warring States and early Qin period. Smaller and with fewer strings than the modern instrument, the early zheng gradually grew in size and string count over successive dynasties.

The most influential change in modern times was the standardisation of the 21-string steel-and-nylon-wound design in the mid-20th century, associated particularly with conservatory teachers in Shanghai and Beijing. Earlier instruments commonly carried 13, 16, or 18 silk strings; the move to a larger, brighter 21-string instrument made the modern concert guzheng both louder and more flexible across the range of new compositions written for it.

Construction & Materials

A guzheng is built around a long wooden soundbox, typically of paulownia for the resonant top and a denser hardwood for the back and sides. The body is slightly arched, and the strings — usually steel cores wound with nylon — run the full length of the instrument from a fixed bridge at one end to tuning pegs at the other. Between them, a row of free-standing wooden bridges (the zhu) supports each string at an adjustable point.

It is this row of movable bridges that defines the guzheng’s character. Tuning is set by sliding individual bridges left or right along the soundboard, and the standard tuning is a pentatonic D-major scale (D, E, F#, A, B) repeated across the four-octave range. Other scales — including non-pentatonic ones — are produced by repositioning the bridges or by left-hand pressure on the far side of the bridges.

How It’s Played

The player sits behind the instrument, which rests horizontally on a stand or low table. The right hand wears small finger picks (typically four, one each on the thumb, index, middle, and ring fingers) that pluck the strings on the side closer to the player. Common right-hand techniques include rapid arpeggios across multiple strings (yao), tremolos, and large sweeps (hua).

The left hand works on the far side of the bridges, where it presses the strings down to raise their pitch (an), produces vibrato (rou), and creates the long sliding ornaments (hua yin) that give the guzheng much of its expressive character. In modern repertoire the left hand also crosses over to the right side of the bridges to play melody and harmony notes alongside the right hand.

Cultural Significance

The guzheng has been associated with the Chinese literati tradition and with refined chamber music for many centuries. Today it is one of the most widely studied solo instruments in China, with a structured grading system, a long catalogue of traditional regional pieces, and a fast-growing body of contemporary compositions.

It is also one of the most visible Chinese instruments internationally, appearing in concert tours, film scores, and cross-cultural collaborations. Players such as Liu Fang, Bei Bei, and Wu Fei have helped introduce the modern guzheng to audiences outside East Asia, while regional masters such as Wang Zhongshan continue to define the senior end of the conservatory tradition.

Notable Examples & Recordings

For a sense of the older silk-string tradition, recordings by Cao Zheng and Cao Dongfu offer an important reference point. For the modern 21-string concert tradition, recordings by Wang Zhongshan, Yuan Sha, and Wu Li are widely respected. Listeners coming from a Western art-music background may find the cross-cultural recordings of Wu Fei and Bei Bei a comfortable entry point.

Related Instruments

• Yangqin – the Chinese hammered dulcimer often heard alongside guzheng in chamber music
• Pipa – the pear-shaped Chinese plucked lute
• Koto – the Japanese long zither, derived historically from the same family
• Gayageum – the Korean long zither cousin, with twelve strings in the traditional form
• Đàn tranh – the Vietnamese long zither, also descended from the same family

Where to Hear It

Chinese conservatory concerts and sizhu chamber music are the natural settings for the guzheng. The instrument also appears regularly in film scoring, in cross-cultural projects, and in popular music throughout the Chinese-speaking world.

• Wikipedia: Guzheng
• Wikimedia Commons: Guzheng

Learning Resources

Beginners usually start by learning to attach finger picks securely and to produce a clean tone on the open strings before moving on to scales and short melodies. The Chinese conservatory system for guzheng is well-developed, with ten graded levels of technical and repertoire requirements. Outside China, structured online courses, video lessons, and English-language method books are widely available.

Frequently Asked Questions

How is a guzheng tuned?
The standard modern tuning is a pentatonic D-major scale (D, E, F#, A, B) repeated across all four octaves. Tuning is set by sliding the movable bridges along the soundboard.

How many strings does a guzheng have?
The standard modern concert guzheng has 21 strings. Historical instruments commonly had 13, 16, or 18 silk strings, and a few traditional regional schools still use older configurations.

What is the difference between a guzheng and a koto?
Both are long zithers descended from the same broader family, but the modern guzheng has 21 metal-wound strings tuned pentatonically and a row of fixed bridges that the player presses against, while the Japanese koto traditionally has 13 silk or nylon strings and uses a different tuning, plectrum, and ornament tradition.

Is the guzheng played with picks?
Yes. The right hand typically wears four small picks — one each on the thumb, index, middle, and ring fingers — taped to the fingertips. The left hand traditionally plays with bare fingers but increasingly uses picks as well in modern pieces.

Is the guzheng difficult to learn?
The basics of producing a clean tone and playing simple pentatonic melodies can be learned in a few months. The full technical vocabulary, the regional repertoires, and the modern concert pieces typically take many years of structured study.