The name of a beautiful musical instrument

The dulcimer is a unique national musical instrument of the Kyoto people, which has a rectangular body made of half of a large bamboo tube, or three pieces of wood, about 75 centimeters long, with one end inserted into a small cylinder at right angles to the body, or a metal piece of the bar, and the other end pressed by a hand, and the two ends pulling a string line from high to low. Play out the sound is very elegant and beautiful.