Watch four Korean artists cover John Lennon's 'Imagine' at the 2018 Winter Olympics

The Korean singers performed at the 2018 opening ceremony in Pyeongchang South Korean singers (L-R) Ha Hyun-woo, Lee Eun-mi, Jeon In-kwon and An Ji-yeong perform onstage surrounded by people holding candles during the opening ceremony of the Pyeongchang 2018 Winter Olympic Games The 2018 Winter Olympics opened in Pyeongchang, South Korea, this week and four of Korea's most well-known artists collaborated on …