Room 544

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Room 544

Kim Yong-sun (Korean: 김용선, born February 21, 1991), better known by the stage name Solar (Korean: 솔라), is a South Korean singer and songwriter. She is the leader of girl group Mamamoo She made her solo debut with the single "Spit it Out" on April 23, 2020. She has her own YouTube channel which she opened in January 2019 and has more than 2 million subscribers and 150 million+ views.