The geomungo (also spelled komungo or kŏmun'go) or hyeongeum (literally "black zither", also spelled hyongum or hyŏn'gŭm) is a traditional Korean stringed musical instrument of the zither family of instruments with both bridges and frets. Scholars believe that the name refers to Goguryeo and translates to "Goguryeo zither" or that it refers to the colour and translates to "black crane zither" (hyeonhakgeum, 현학금 / 玄鶴琴).
The instrument originated circa the 4th century (see Anak Tomb No.3 infra) through the 7th century from the kingdom of Goguryeo, the northernmost of the Three Kingdoms of Korea, although the instrument can be traced back to the 4th century.
According to the Samguk Sagi (Chronicles of the Three Kingdoms), written in 1145, the geomungo was invented by prime minister Wang San-ak by using the form of the ancient Chinese instrument guqin (also called chilhyeongeum, literally "seven-string zither"). After his death, the instrument was passed down to Ok Bogo, Son Myeong-deuk, Gwi Geum, An Jang, Cheong Jang, and Geuk Jong, while being widely spread over the kingdom.
This hovering shadow I see
It's touch of death surrounds me
No glimmer of hope in a distant sight
Memories of life
On this vision they feed
Leaving this world
The end is complete
Surely the bottom deep
Visions dark as never seen
Looking down on an empty shell
Bones left for the earth to dissolve
We have reached the end my friend
This is the end
Surely the last descend
Those who enter can never leave
As darkness swallows all light
The end is complete
Surely the bottom deep
Visions dark as never seen
Looking down on an empty shell
Bones left for the earth to dissolve
We have reached the end my friend
We have reached the end
We have reached the end
We have reached the end