Career
He was the main vocalist of Boohwal, a South Korean rock band, until 1989 when he left the band and released his first solo album, Don"t Say Good-Bye (안녕이라고 말하지마). He has been working as a judge in reality television series Superstar K. On August 27, 2014, Lee performed "Arirang", "Bridge over Troubled Water" and "The Day" at the opening ceremony of the 65th Annual United Nations Department of Public Information/non-governmental organization Conference. Lee is also known for his song Girls Generation, which was covered and used as the group name in 2007 by a nine-member girl group Girls" Generation.
His Japanese debut was in 2006, under Agricultural and Mechanical Japan.
His debut Japanese album is entitled Sound of Double. In October 2010, Lee represented of Korea and performed at the 7th Asia Song Festival, organised by of Korea Foundation for International Culture Exchange, at the Seoul Olympic Stadium.