Samul nori is a Korean traditional musical performance, which is performed with four percussion instruments: Jing, Janggu, Buk (the drum in Korean), Kkwaenggwari. The performance includes dancing. Specifically, in "Samul", "sa" means "four", and "mul" means "object" in Korean, and "nori" means "to play". Considering the meaning of "Samul nori", this is one kind of playful and casual art performance done in public. In the past, Korean people usually play "Samul nori" when they work in agricultural area to relax after working.