Kim Won-gyun (Chosŏn'gŭl: 김원균; 2 January 1917 – 5 April 2002) was a North Korean composer and politician. He is considered one of the most prominent, if not the most celebrated,[6] composer of North Korea. He composed "Aegukka" — the national anthem of the country — and "Song of General Kim Il-sung", in addition to revolutionary operas. Source : Wikipedia