Akhakgwebeom

Akhak gwebeom
Page from the Akhakgwebeom depicting a banghyang (metallophone)
Korean name
Hangul	악학궤범
Hanja
Revised Romanization	Akhak gwebeom
McCune–Reischauer	Akhak kwebŏm

The Akhak gwebeom (Korean: 악학궤범, literally "musical canon") is a nine-volume treatise on music, written in Korea in the 15th century, in the Joseon Dynasty. It is written by hand in hanja, and depicts, in line drawings, most of the musical instruments in use at the time, with detailed descriptions and fingerings.