Kim Yong-sun (born February 21, 1991), better known by the mononym Solar, is a South Korean singer, songwriter and actress. She is known as the leader and main vocalist of South Korean girl group Mamamoo.
Kim Yong-sun was born in Gangseo-gu, Seoul, South Korea, where she lived with her parents and elder sister, Yong-hee. She graduated from Modern K Music Academy University.
The single/album series “Solar Emotion” are remakes of old songs by veteran soloists from South Korea.