# 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. 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, 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 (co-release with 24thStreet).

## Discography
### Studio albums

| Title | Album details | Peak chart positions | Sales |
| Title | Album details | KOR | Sales |
| My Name Is Ra.D | Released: September 18, 2002 Label: Soribada Formats: CD, cassette | — | — |
| Realcollabo | Released: December 12, 2008 Label: RealCollabo Formats: CD, digital download | — | — |
| Realcollabo + RMX | Released: July 15, 2009 Label: RealCollabo Formats: CD, digital download | — | — |
| Soundz | Released: July 24, 2014 Label: Loen Entertainment Formats: CD, digital download | 22 | KOR: 656 |

### Best albums

| Title | Album details | Peak chart positions | Sales |
| Title | Album details | KOR | Sales |
| Ra.D | Released: December 15, 2020 Label: Realcollabo Formats: CD, digital download | — | — |

### Extended plays

| Title | Album details | Peak chart positions | Sales |
| Title | Album details | KOR | Sales |
| Small Story (작은 이야기) | Released: March 29, 2013 Label: Loen Entertainment Formats: CD, digital download | 24 | — |

### Singles

| Title | Year | Peak chart positions | Sales (DL) | Album |
| Title | Year | KOR | Sales (DL) | Album |
| "So One" (소원) | 2002 | — | — | My Name Is Ra.D |
| "Cool Fella" (멋있는 친구) feat. Jungin, Inbal, DJ Bay with ziEyA | 2008 | — | — | RealCollabo |
| "I'm in Love" (Piano Remix) | 2009 | 59 | — | RealCollabo + RMX |
| "It's Been So Long" (오랜만이죠) feat. Shin Ji-soo | 2013 | 8 | KOR: 534,745 | Small Story |
| "Thank You, Thank You" (고마워 고마워) | 2013 | 10 | KOR: 296,101+ | Small Story |
| "I Need a Somebody" (누군가 필요해) feat. Brother Su | 2013 | 9 | KOR: 172,414+ | Wish Me a Merry Christmas |
| "Fly Away" | 2014 | 24 | KOR: 93,650+ | Soundz |
| "Still" (여전히) | 2015 | 40 | KOR: 78,150 | Non-album single |
| "I Want You" (싶은데) | 2016 | 57 | KOR: 32,784 | I Want You & Good Girl |
| "Look into Your Eyes" (눈을 보고 말해요) | 2017 | 97 | — | Non-album singles |
| "Day Off" (쉬는날) | 2017 | — | — | Non-album singles |
| "Drive Away 2" | 2017 | — | — | Non-album singles |
| "Unfinished Story" (아직 끝나지 않은 이야기) | 2017 | — | — | Non-album singles |
| "Can't Forget Anything (Piano RMX)" (넌 내게 했던 얘기를 (Piano RMX)) | 2018 | — | — | Non-album singles |
| "pingpong" (핑퐁) feat. Brother Su | 2018 | — | — | Non-album singles |
| "30" feat. Michael | 2019 | — | — | Non-album singles |
| "Cover my ears" (귀를 막아줘) | 2020 | — | — | Non-album singles |
| "Open It Up" feat. Jinbo | 2020 | — | — | Non-album singles |
| "The Film" (오래된 영화) | 2020 | — | — | Non-album singles |
| "Walkin'" | 2020 | — | — | Non-album singles |
| "Because Of You" (너 때문에) | 2020 | — | — | Ra.D |
| "Goodbye (Live RMX)" | 2020 | — | — | Ra.D |
| "12 months" (열두달) | 2021 | — | — | Non-album singles |
| "what we need" (들어봐줘요) | 2022 | — | — | Non-album singles |
| "Kidult" (키덜트) | 2023 | — | — | Non-album singles |
| "I'm still missing you" | 2024 | — | — | Non-album singles |

### Collaboration singles

| Title | Year | Peak chart positions | Sales | Album |
| Title | Year | KOR | Sales | Album |
| "Constellation" (with Kebee) | 2007 | — | | Poetree Syndrome |
| "Mother's Miso Soup" (어머니의 된장국) (with Dynamic Duo) | 2008 | — | | Last Days |
| "Father" (아버지) (with Dynamic Duo) | 2008 | — | | Last Days |
| "Have You Ever Been in Love (Acoustic ver.)" (사랑에 빠져본 적 있나요) (Acoustic ver.)" (with Standing Egg) | 2011 | — | | Non-album single |
| "Back to the Future" (미래로 돌아가자) (with Eluphant) | 2011 | 97 | KOR (DL): 68,914+ | Apollo 1/3 |
| "Time for Love" (연애시대) (with Lee Seung-gi) | 2011 | 6 | KOR (DL): 2,278,798+ | Non-album single |
| "Teacher" (with IU) | 2011 | 9 | KOR (DL): 797,920+ | Last Fantasy |
| "Take Out" (with Gain) | 2012 | 21 | KOR (DL): 404,820+ | LOEN TREE Summer Story |
| "Farewell Scene" (이별 Scene) (with Siaena) | 2012 | — | — | Cafe De Siaena |
| "Hang Up the Phone" (with Jooyoung) | 2012 | — | — | From Me to You |
| "I Hope" (그랬으면 좋겠어) (with Shin Seung-hun) | 2013 | — | — | Great Wave |
| "Green Light" (그린라이트) (with JuB of Sunny Hill) | 2015 | — | — | Non-album singles |
| "Draw You" (너를 그리다) (with d.ear, Brother Su, & Jooyoung) | 2015 | — | — | Non-album singles |
| "Woman on the beach" (해변의 여인) (with Jang SunYoung) | 2016 | — | — | Duet Song Festival 18th |
| "Short Hair" (단발머리) (with Jang Seon-yeong) | 2016 | — | — | Duet Song Festival 19th |
| "YOU (Day ver.)" (vocal. HongJiEun) | 2021 | — | — | prod by Ra.D |
| "No pouting (Day Ver.)" (화풀어 (Vocal. 민서) (Day Ver.)) Vocal. Minseo | 2021 | — | — | prod by Ra.D 2 |
| "Easy love" (vocal. 99honest) | 2021 | — | — | prod by Ra.D 3 |
| "season" (with Jang SunYoung) | 2021 | — | — | prod by Ra.D 4 |
| "prod by Ra.D 5" (prod by 라디 5 (Vocal. 도연)) (Vocal. Doyeon) | 2022 | — | — | prod by Ra.D 5 |
| "always" (with Sori) | 2023 | — | — | Non-album single |

### Soundtracks

| Title | Year | Peak chart positions | Sales | Album |
| Title | Year | KOR | Sales | Album |
| "A Certain Heart Fluttering"(어떤 설레임) | 2013 | 42 | KOR (DL): 83,734+ | Dating Agency: Cyrano OST |
| "Lovesome" | 2016 | 95 | | Don't Dare to Dream OST |
| "The Same Day" (똑같은 날) | 2017 | — | | Suspicious Partner OST |
| "Just Because" (그냥 보고싶은 사이) | 2017 | — | | Rain or Shine (TV series) (Just Between Lovers) OST |
| "Fairytale" (동화) | 2019 | — | | Encounter OST |
| "A Day (Piano Ver.)" | 2019 | — | | I'm Not a Robot OST |

## Producer

| Year | Artist | Song/Album |
| 2002 | Cho PD | Stardom in Future Flow |
| 2003 | ToDay | Another Level |
| 2004 | UMC | XSLP |
| 2008 | KeBee | "Constellation" feat. Ra.D |
| 2008 | Dynamic Duo | "Mother's Miso Soup (어머니의 된장국)" feat. Ra.D |
| 2008 | Dynamic Duo | "Father (아버지)" feat. Ra.D |
| 2010 | Narsha with Sungha Jung | "I'm in Love" |
| 2010 | Gain | "Esperando" |
| 2010 | 2PM | "I Can't" |
| 2011 | Kim Jin-pyo | "I Shouldn't Go (가지말걸 그랬어)" feat. Joo Young |
| 2011 | Alex | "TOMBOI" feat. Lovey |
| 2011 | Eluphant | "Back to the Future (미래로 돌아가자)" |
| 2011 | Lee Seung-gi | "Time for Love (연애시대)" |
| 2011 | IU | "Teacher" feat. Ra.D |
| 2012 | Gain with Ra.D | "Take Out" |
| 2012 | Siaena | "Touch (만져요)" |
| 2012 | Siaena | "Even If I Want(원하고 원해도)" |
| 2012 | Siaena | "Farewell Scene (이별 Scene)" feat. Ra.D |
| 2012 | Jooyoung | "Hang Up the Phone" feat. Ra.D |
| 2012 | Jooyoung | "Farewell That It Was (이별이란 걸)" |
| 2013 | Shin Seung-hun | "I Hope (그랬으면 좋겠어)" feat. Ra.D |

## Awards and nominations

| Year | Organization | Category | Nominated Work | Result |
| 2009 | Rhythmer Awards | R&B Album of the Year | RealCollabo | Nominated |
| 2009 | Rhythmer Awards | R&B Single of the Year | "Sweet Love" | Nominated |
| 2009 | Rhythmer Awards | R&B Artist of the Year | Ra.D | Nominated |
| 2009 | Rhythmer Awards | Producer of the Year | Ra.D | Won |
| 2009 | Rhythmer Awards | Collaboration of the Year | "Cool Fella" (feat. Jungin, Inbal, DJ Bay With ziEyA) | Nominated |
| 2009 | Cyworld Digital Music Awards | Tam Eum Mania (August) | "I'm in Love" | Won |
| 2010 | 7th Korean Music Awards | Best R&B and Soul album | RealCollabo | Won |