Sim Min-kyung is a South Korean singer known professionally as Sim Soo-bong. When she was a senior at Myongji University, she debuted in 1978 through MBC College Song Contest (Korean: MBC 대학가요제) at which she performed her self-composed song "Geuddae Geu Saram" (그때 그사람). She was one of the witnesses of the 1979 assassination of South Korean president Park Chung-hee.