MamaMOO Sola, Moonbyeol is showing the encore stage at the MBC Music 'Show Champion' live broadcast at MBC Dream Center in Gyeonggi Province on the afternoon of the 20th.
About Sola
Kim Yong-sun, better known by the stage name Solar, is a South Korean singer, songwriter and musical actress signed under RBW. She is the leader and main vocalist of girl group Mamamoo.
 Wikipedia