National Intangible Cultural Heritage, Republic of Korea Sandae Nori refers to a mask dance performed in the central region of Korea. It is part of Sandae Dogamgeuk, which used to be performed in Seoul and Gyeonggi-do. It is composed of dances, pantomime, and gags, and is performed on the lunar calendar dates of Daeboreum (January 15), Dano (May 5), Baekjung (July 15), and Chuseok (August 15). Songpa was a commercial center of Gyeonggi-do. It is said that the play was frequently performed at the time Songpa Market reached its prime about 200 years ago and has continued to develop and to be one handed down to the present day. The play is composed of seven acts. Prior to the commencement of the play, members of the troupe march, playing music, to the site of performance to entertain spectators along the way. The overall composition, dances, and masks used are similar to those of Yangju Byeonsandae Nori (Mask Dance Drama of Yangju), but certain masks, dances, and characters distinguish it from the other. In Songpa Sandae Nori, 33 masks made of gourd, pine skin, and paper are used.