LEE SEUNG CHUL

Lee Seung-Cheol is a South Korean singer. He was the main vocal of Boohwal, a South Korean rock band, until 1989 when he parted with the band and released his first solo album, Don't Say Good-Bye (. In 2005 his 7th album, The Livelong Day, won him Korean Music Awards for best male singer.[2] He has been working for a judge in reality television series Superstar K.

Source: http://en.wikipedia.org/wiki/Lee_Seung-Cheol