Ra.D
Lee Doo-hyun, better known by his stage name Ra.D is a South Korean singer, songwriter and producer who debuted in 2002 with the album My Name is Ra.D. He started his own record company, RealCollabo, and has since worked on the albums of numerous artists. He returned in February 2013 with the single "It's Been So Long" following a 6-year break.
Ra.D has produced for artists such as 2PM, Brown Eyed Girls' Gain, Dynamic Duo (South [Korean duo)|Dynamic Duo], KeBee, UMC, Ahn Trio and Cho PD.
On October 26, 2015, he announced RealCollabo would be closed after established for seven years. "Draw You", a collaboration project of Ra.D, d.ear, Brother Su, and Jooyoung, is the last release from this label.
Awards and nominations
| Year | Organization | Category | Nominated work | Result |
| 2009 | Rhythmer Awards | R&B Album of the Year | RealCollabo | Nomitated |
| 2009 | Rhythmer Awards | R&B Single of the Year | "Sweet Love" | Nomitated |
| 2009 | Rhythmer Awards | R&B Artist of the Year | Ra.D | Nomitated |
| 2009 | Rhythmer Awards | Producer of the Year | Ra.D | Won |
| 2009 | Rhythmer Awards | Collaboration of the Year | "Cool Fella" | Nomitated |
| 2009 | Cyworld [Digital Music Awards] | Tam Eum Mania | "I'm in Love" | Won |
| 2010 | 7th Korean [Music Awards] | Best R&B and Soul album | RealCollabo | Won |