Jeongak

Jeongak ('right music') is the historical court and aristocratic chamber repertoire of Korea, in contrast to the folk-derived minsogak. The ensemble varies but typically combines daegeum (large transverse bamboo flute), piri (cylindrical-bore double-reed), haegeum (two-stringed bowed fiddle), gayageum (twelve-stringed plucked zither) and geomungo (six-stringed plucked zither with bridges), plus changgo (hourglass drum) and other percussion. Tempos are slow — single notes can stretch across many seconds with extensive ornamentation — and the aesthetic is restrained, contemplative and oriented toward refined listening rather than entertainment. Pitch material follows traditional Korean modes (Pyeongjo, Gyemyeonjo), distinct from western tempered scales.

Jeongak descends from the Joseon-period (1392-1897) court music tradition, which included aak (ritual music of Chinese origin used in state ancestral rites) and hyangak (native Korean court music), along with the gagok-style aristocratic vocal music and the sanjo-precursor instrumental works. The form was preserved through the late Joseon and Japanese colonial periods by the National Gugak Center (Gungnip Gugagwon) and its predecessors. Most of the repertoire is short, with pieces like 'Yeongsan Hoesang' (a multi-section suite) and 'Sujecheon' anchoring the canon. UNESCO has inscribed several jeongak-adjacent traditions — gagok, jongmyo jeryeak — on its Intangible Heritage list.

Listen for ornamentation: a Korean court-music note isn't a fixed pitch but a pitch with shape — vibrato, slide, micro-bend. The piri's nasal cry and the daegeum's airy breathy tone are immediately identifiable timbres. Pieces unfold in long phrases where the silence between events is part of the form, not a gap in it.

Recordings by the National Gugak Center of 'Yeongsan Hoesang' or 'Sujecheon' are the canonical references. The full 'Yeongsan Hoesang' suite runs over an hour; a single movement (such as the slow opening 'Sangnyeongsan') is a sufficient first encounter.

'Sujecheon' is sometimes called Korea's most beautiful piece of music — its melody has no fixed rhythm, with each note's duration determined by the player's breath, so no two performances ever sit at the same tempo. The piece dates from the Goryeo dynasty (918-1392) and has been transmitted continuously since.