SOGEUM: Korean musical instrument
https://worldhitz4u.blogspot.com/2014/10/sogeum-korean-musical-instrument.html
The sogeum is a
small bamboo transverse flute that is used in traditional music of Korea.
Unlike the larger version of the musical instrument called daegeum, the musical instrument does not
possess a buzzing membrane. The musical instrument is used in court music,
aristocratic music, as well as folk music, and also in modern
day classical music, the
popular music, and also the film scores.
Other
larger flutes that are in the same family of musical instrument include the
medium-sized version of the musical instrument called junggeum and the larger version of the musical
instrument called daegeum; the
three musical instrument together are called samjuk, as the three most important flutes of the Silla period.