This Friday, Seoul Plaza, downtown, will host the annual Seoul Drum Festival. For two days, it'll feature world-class drummers such as the award-winning Chris Coleman. This is the featival's 21st edition. In addition to the performances, there'll be an exhibition room, where visitors can see, hear and learn percussion instruments. And Friday evening, there'll be performances by 17 teams who've made it through a nationwide drum competition that started in March.