Ra.D

Lee Doo-hyun (Hangul: 이두현; born 1980), better known by his stage name Ra.D (Hangul: 라디) is a South Korean singer, songwriter and producer who debuted in 2002 with the album My Name is Ra.D. After establishing his own record label, RealCollabo, he has been participating in the production of many artists' albums since. After a 6-year hiatus, he made a comeback in February 2013 with the single "It's Been So Long". Ra.D has produced for artists such as 2PM, Brown Eyed Girls' Gain, Dynamic Duo, KeBee, UMC, Ahn Trio and Cho PD.

Ra.D

Lee Doo-hyun (Hangul: 이두현; born 1980), better known by his stage name Ra.D (Hangul: 라디) is a South Korean singer, songwriter and producer who debuted in 2002 with the album My Name is Ra.D. After establishing his own record label, RealCollabo, he has been participating in the production of many artists' albums since. After a 6-year hiatus, he made a comeback in February 2013 with the single "It's Been So Long". Ra.D has produced for artists such as 2PM, Brown Eyed Girls' Gain, Dynamic Duo, KeBee, UMC, Ahn Trio and Cho PD.