Yanggum is a traditional percussion instrument of Korea that began to be used from the end of the 18^th century.
   It is played by tapping the metal strings stretched over the wooden resonance box with two bamboo sticks.
   The early yanggum was a very small instrument. The player used to strike the strings one by one with a stick in his right hand while supporting the instrument with the left hand.
   Later, it was improved as suited to the growing cultural and emotional demands of the Korean people and to the aesthetic tastes of the times.
   As it produces clear sounds, it is widely used in solo, ensemble and concert.