Namsadang Nori(남사당 놀이)

Namsadang(남사당) means Korean strolling players, so their performance is called Namsadang Nori(남사당 놀이).
Namsadang Nori includes so many play sections such as Pungmul, Beona, Salpan, Eoreum, etc... The plays in this video are just 3 of them: Beona Nori, Mudong Nori, and Sangmo Nori.
And you can refer to this website↓ for further information about the full performance of Namsadang Nori.
http://www.namsadangnori.org/index.htm