A musical instrument master is a person who has or has the ability to make musical instruments used in traditional music. As wind instruments, string instruments and percussion instruments are already appearing in the murals of Goguryeo, it is assumed that the craftsmen of musical instruments were already present from the Three Kingdoms Period. During the Joseon Dynasty, an independent institution called the Musical Instrument Creation Office was established to produce and use musical instruments. Gayageum and Geomungo are the most representative Korean traditional musical instruments. Next, Ajaeng, Daejaeng, and Hogeum are the mainstream. It is common for stringed instruments to be made of odong-tung and chestnut-tree, while pieces of decorative items are often made of jujube, black belt, and juniper trees. Odongnamu is characterized by its vibration of sound, its dryness does not create gaps, and the lack of food for small.
Cho Jun-seok, the holder of intangible cultural assets, was taught by Cho Jeong-sam and Cho Dae-seok, led by Baek Ok-ki, and runs a traditional Korean musical instrument production workshop in Yeongdong, North Chungcheong Province, to train his students. Cho Jun-seok is making a lot of efforts to operate Korean traditional music exhibition halls at home and abroad, restore ancient musical instruments, and operate Korean traditional music experience centers to foster backwardness and develop traditional Korean culture. The main items are haegeum and gayageum, as well as ajaeng and improved gayageum.
The process of producing gayageum and haegeum is as follows.
Gayageum manufacturing process 1) front, back plate drying status, 2) front plate cutting and shaping, 3) front plate crushing (outside and inside), 4) chew and fastening, 5) back plate sun, cloud, moon cut, 6) resonant barrel formation (bearing front plate agyo-ro, 7) left end decoration (head wrapping), 9 and 4).
The process of making haegeum is 1) picking bamboo roots (woolim bins), 2) cutting to size, 3) making surface, 4) digging, 5) sandpaper work, 6) sandpaper work, 7) drilling holes in cast iron, 9) straightening out the main spindle (wood), 10) trimming the main joints, 11) sandpaper work, 12) sandpaper work, 12).