The gayageum or kayagum is a traditional Korean zither-like string instrument with 12 strings, though some more recent variants have 21 or other numbers of strings. It is probably the best known traditional Korean musical instrument. It is related to other Asian instruments, including the Chinese guzheng, Japanese koto, Mongolian yatga, Vietnamese đàn tranh, and Sundanese kacapi. When played, the sound varies between traditional Eurasian stringed instruments and the Appalachian banjo.
The gayageum is descended from an ancient Chinese zither known as the guzheng.
Pungryu gayageum (beopgeum, jeongak gayageum)
According to the Samguksagi (1145), a history of the Three Kingdoms of Korea, the gayageum was developed around the sixth century in the Gaya confederacy by King Gasil (also known as Haji of Daegaya) after he observed an old Chinese instrument. He ordered a musician named Wu Ruk to compose music that could be played on the instrument. The original name was gayago(or gayatgo) and later gayageum. The gayageum was then further improved by Wu Ruk during the reign of Jinheung in the Shilla dynasty. The ancient gayageum of King Gasil was called by several names, including beopgeum (law-zither, 법금), pungnyu (elegance, 풍류), or jeong-ak (right music, 정악) gayageum. It is normally associated with accompaniment for court music, chamber music, and lyric songs. This type of gayageum has a wider spacing between the strings and plays slower-tempo music such as Yeongsan hoesang and Mit-doduri.
The sanjo gayageum is believed to have evolved in the 19th century with the emergence of sanjo music, which literally means "scattered melodies", a musical form that involves fast tempos and some improvisation. The sanjo gayageum version of the instrument has closer string spacing and a shorter length to let musicians play the faster passages required for sanjo. The sanjo gayageum is now the most widespread form of gayageum. All traditional gayageum use silk strings, though since the late 20th century, some musicians use nylon.
Modern versions of the gayageum with more strings often use nylon-wrapped steel strings, similar to those used for the Chinese guzheng. Brass strings have also been introduced to produce a louder sound, which is preferred for accompanying dance. To play modern music, gayageum with a greater number of strings have been developed, increasing the instrument's range. Gayageum are available with 13, 17, 18, 21, 22, or 25 strings, though instruments with more strings are available custom-made. The 21-string gayageum is normally found in North Korea.
The gayageum is traditionally played when sitting on the floor with crossed legs, the head of the instrument resting on the right knee and the tail resting on the floor. When played whilst seated on a chair or stool, the tail end is usually placed on a special fold-out stand, similar to a camp-stool, or another chair/stool. For modern gayageum, they may be placed on a special stand with the player seated on a chair behind the instrument. The North Koreans usually play whilst seated on a chair, but they do not use a stand of the tail end. Instead, the gayageum has detachable legs that are fixed into the end to raise the tail high enough.
The gayageum is played with both right and left hands. The right hand plucks and flicks the strings close to the bridge of the gayageum, whilst the left hand pushes the strings on the left side of the bridges to raise the pitch and adds vibrato and other ornamentation.
Tunings and modes
The gayageum can be tuned to a variety of pitches depending on use, though no standard exists as to what exact pitches they should be tuned. They include:
- ♭E, F, ♭A, ♭B, ♭E, F, ♭A, ♭B, c, ♭e, f, ♭a
- ♭E, F, ♭A, ♭B, ♭E, ♭E, ♭A, ♭B, ♭d, ♭e, f, ♭a
- ♭E, ♭A, ♭B, ♭E, F, ♭A, ♭B, c, ♭e, f, ♭a, ♭b
- G, C, D, G, A, C, D, E, G, A, c, d
When noted in staff notation, however, the pitch series is usually transposed as the following, regardless of the actual pitches tuned on the strings:
- D, G, A, D, E, G, A, B, d, e, g, a
This is to avoid switching between the bass and treble clefs to make reading the music easier.
Traditionally, three modes are used:
- 羽調 (우조): G key
- 平調 (평조): C key
- 界面調 (계면조): ♭B key
On the soundboard, anjok (movable bridges) support the strings. These bridges move to adjust the tuning and intonation. The strings enter the top of the body from tolgwae (string pegs) beneath. At the other end, the strings wind around loops at the end of thick cords, which pass over the nut then looped through holes at the bottom of the instrument and secured, and then the cords are all tied in a decorative coil.
The left hand presses the strings to raise the pitch, and finger movements perform various movements such as shaking, bending, and vibrating the strings. The right hand plucks or strums the strings. The gayageum's tone is soft, delicate, and subtle. Legend says the instrument was first made by King Gasil in the Kaya Kingdom around the sixth century, and was further developed by Ureuk in the time of King of Jinhung in the Silla dynasty.
According to some evidence, however, it dates to a much earlier time than the Silla dynasty. Recent archaeological excavations in the Kwangsan areas in Jeolla-namdo Province revealed fragments of a gayageum from around the first century BCE.
The gayageum is employed in different types of music, leading to variations of the instrument, including the:
- Pungryu gayageum is the original form, with more widely spaced strings for slower-tempo works.
- Sanjo gayageum is a smaller, modern version with more closely spaced strings to accommodate rapid playing.
- Modern gayageum instruments broaden the body and add more strings to increase the pitch range to accommodate contemporary music.
Sanjo and folk
The six or more schools of the gayageum sanjo include Seong Geum Yeon, Kim Juk Pa, Kim Yoon Deok, Kang Tae Hong, Kim Byeong Ho, and Choi Ok Sam schools.
Contemporary music composers have been creating modern music for the gayageum. Hwang Byung Ki composed "Forest" as a first modern gayageum piece, Sungcheon Lee created 21-string gayageum and new pieces. Beomhoon Park composed the gayageum concerto "New Sanjo" (새산조) for 25-string gayageum, and following generation's composers and western musicians have been composing modern music for it.
- Jan. 11, 2007,Korean Instruments Archived 2016-03-03 at the Wayback Machine Seoul Metropolitan Government
- Howard, Keith (1995). Korean musical instruments. Oxford University Press. p. 38. ISBN 978-0-19-586177-8.
The kayagum, the most popular South Korean instrument, is a 12-string half-tube plucked zither (H/S 312.22.5) (Plate 7). It resembles the Chinese zheng, Mongolian yatga, Japanese koto, and Vietnamese đàn tranh. All these instruments descend from a common model, the ancient zheng.
- "Hugo's window on the world of Chinese zheng". Chime. Leiden: European Foundation for Chinese Music Research. 16-17: 242. 2005.
Throughout the centuries, the zheng became the parent instrument of the Asian zither family as it spread from China to a number of adjacent countries giving birth to the Japanese koto, the Korean kayagum and the Vietnamese dan tranh.
- 유자차 Choi (2005). Kayagum. Retrieved July 29, 2005.
- Korean Court-Music Promotion Corporation (2001). Welcome to The Koong Sung Koogak Sa, the Korean Court-Music Promotion Corporation. Retrieved July 30, 2005.
- (KCMPC 2001).
- Park, Yong-Jae (2004). KOSEF NEWSLETTER. Golden Retriever 1000.
- photo of gayageum with 25 strings
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