1) Bamboo musical instrument 2) Side-blown flute 
Smaller flutes in the same family include the junggeum (hangul: 중금; hanja: 中琴 or 中笒) and sogeum (hangul: 소금; hanja: 小琴 or 小笒), neither of which today have a buzzing membrane. The three together are known as samjuk (hangul: 삼죽; hanja: 三竹; literally `three bamboo`), as the three primary flutes of the Silla period. T.....