In 2009, Kim formed Art Of Parties, and in 2013 released his first solo album, N.Surf part 1.
Nicknamed 'The Maestro of Rock Vocalists,' Kim is known for his unchanging expression while he performs.
[2] Kim is a songwriter and producer, having written songs since his time with Sinawe.
In 2013, he participated in producing and directing JYJ's Kim Jaejoong's solo mini album.
[3] In 2010, he was a professor in the department of applied music at Seoul Arts College.