Kim Hyun chul, who debuted in 1989, is one the best producers and singer-songwriter in Korea. Through the genre of city-pop, he is called the "City-pop Godfather," presenting a sophisticated and sensuously melody.

Recently, his debut album title track 'It's Been A While', called 'Hidden Masterpiece' among music fans, has been released in a new style in 31 years, showing steady music moves.