<Li> South Korean singer Jang Sa - ik performed Aegukga with children from Gangwon Province . </Li> <Li> South Korean guitarist Yang Tae - Hwan performed "Winter" of Vivaldi's Four Seasons . </Li> <Li> South Korean post-rock band Jambinai performed "Time of Extinction" including many geomungo players . </Li> <P> The flag bearers of 92 National Olympic Committees arrived into the Pyeongchang Olympic Stadium . The flag bearers from each participating country entered the stadium informally in single file, ordered by ganada order of the Korean alphabet, and behind them marched all the athletes, without any distinction or grouping by nationality . Marching alongside the athletes were Soohorang, the Pyeongchang 2018 Olympic mascot, and Hodori, mascot of the 1988 Summer Olympics in Seoul . </P>

Who is performing at the winter olympics closing