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Kim Hyeong-seok (born September 27, 1966 ) is a composer in South Korea who is known for making both upbeat dance music and powerful ballads. Since beginning his career in 1989, Kim has composed or produced more than 1,000 songs and has worked with many of the top Korean performers. In 1994 he helped JYP get started with his first album and is credited as a composer on IU's album REAL.