월금; hanja: 月琴) – A lute with a moon-shaped wooden body, four strings, and 13 frets; no longer used Eoeungeum (hangul: 어은금) – A pear-shaped lute with five strings similar to hyangbipa; used only in North Korea Bowed Fiddles Haegeum (hangul: 해금; hanja: 奚琴) – A vertical fiddle with two strings; derived from the ancient Chinese xiqin Sohaegeum (hangul: 소해금; hanja: 小奚琴) – A modernized fiddle with four strings similar to a modern violin; used only in North Korea Junghaegeum (hangul: 중해금; hanja: 中奚琴) - A modernized fiddle with four strings similar to a modern viola; used only in North Korea Daehaegeum (hangul: 대해금; hanja: 大奚琴) - A modernized fiddle with four strings similar to a modern cello; used only in North Korea Jeohaegeum (hangul: 저해금; hanja: 低奚琴) - A modernized fiddle with four strings similar to a modern double bass; used only in North Korea Zithers Ajaeng (hangul: 아쟁; hanja: 牙箏) – A zither bowed with a wooden stick, derived from the Chinese yazheng Struck Yanggeum (hangul: 양금; hanja: 洋琴) – A hammered dulcimer with metal strings, struck with bamboo mallets; derived from the Chinese yangqin Wind Flutes Transverse Daegeum (hangul: 대금; hanja: 大笒) – A large transverse bamboo flute with six finger-holes and an additional hole covered by a buzzing membrane Junggeum (hangul: 중금; hanja 中笒) – A medium-sized transverse bamboo flute with six finger-holes, without a buzzing membrane; rarely used today Sogeum (hangul: 소금; hanja: 小琴 or 小笒) – A small transverse bamboo flute with six finger-holes, without a buzzing membrane Dangjeok (hangul: 당적; hanja: 唐笛) – A small transverse bamboo flute of Tang Chinese origin, slightly smaller than the junggeum Ji (hangul: 지; hanja: 篪) – An ancient transverse bamboo flute with a protruding notched blowhole and five finger holes (one in the back and four in the front), derived from the Chinese chí. Used only in aak and Munmyo jeryeak (Korean Confucian ritual music) End-blown Danso (hangul: 단소; hanja: 短簫) – A small notched vertical bamboo flute with four finger-holes Tungso (hangul: 퉁소; hanja: 洞簫) – A long notched vertical bamboo flute with five finger-holes; originally called tongso Yak (hangul: 약; hanja: 籥) – A notched vertical bamboo flute with three finger-holes; used in Munmyo jeryeak (Korean Confucian ritual music) Jeok (hangul: 적; hanja: 篴) So (hangul: 소; hanja: 簫) – A pan flute; derived from the Chinese paixiao; used only in Munmyo jeryeak (Korean