G.O (singer)

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G.O in 2013
G.O in 2013
Background information
Birth nameJung Byung-hee
Born (1987-11-06) 6 November 1987 (age 32)
Changwon, South Korea
  • Singer-songwriter
  • actor
Years active2007–present
Associated actsMBLAQ
Korean name
Revised RomanizationJeong Byeong-hui
McCune–ReischauerJǒng Pyǒng-hŭi

Jung Byung-hee (Korean정병희; born 6 November 1987),[1] better known by his stage name G.O (Korean지오), is a South Korean singer-songwriter and actor. He is best known as a member of South Korean boy band MBLAQ.

Personal life[edit]

He is the youngest in his family and has two older sisters. His hometown is Changwon.

He suffers from narcolepsy.[2]

On 28 September 2019, G.O married actress Choi Ye-seul.[3]

Music career[edit]

Ty Keys (2007)[edit]

In 2007, G.O debuted with Ty Keys, co-ed R&B group composed of a female and male vocalist and one male rapper. When the company went bankrupt, he went to court to end his contract.[4]

MBLAQ (2009–2015)[edit]

Later in 2009, G.O debuted as the main vocalist for MBLAQ, a five-member boy group under J. Tune Entertainment. He trained with Rain who was the group's founder and mentor. The group debuted on 9 October 2009 at Rain's Legend of Rainism concert where they performed various songs from their then-unreleased single album Just BLAQ. Their performance was met with praise, with many concert spectators and fans considering them to be the next TVXQ.[5][6] MBLAQ's first single, "Oh Yeah", was released to the public through a music video on 14 October 2009 with their debut single album, Just BLAQ releasing on the same day.[7] MBLAQ made their broadcast debut with the song "Oh Yeah" on Mnet's M! Countdown.[8]

The group has starred in various South Korean variety shows as guests as well as in their own variety shows like Mnet's MBLAQ – The Art of Seduction, MBC's MBLAQ's Idol Army, Mnet's Sesame Player, KBS's Hello Baby Season 5, and MBC's Idol Manager.

MBLAQ made their Japanese debut on 3 May 2011 with an event held at the Kanagawa Lazona Kawasaki Plaza which gathered a reported 10, 000 fans. A day later, on 4 May, they released their first Japanese album Your Luv which immediately reached first position of the Oricon Daily Charts, selling more that 11,000 copies.[9][10]

Since their debut, MBLAQ has released three single albums, three extended plays, and one studio album.

Solo Career (2010–present)[edit]

In early 2010, G.O collaborated with J.ae in "I Can't Tell You This Is the End". Later he collaborated with Nassun for "O-IWI-O" and "One".[11] On 11 and 12 November, the Group of Twenty Finance Ministers and Central Bank Governors (G20), who represents the 20 Major economies of the world, scheduled a summit Seoul. 20 idol singers from various popular South Korean groups were recruited to sing the theme song for the 2010 G20 Seoul Summit. G.O along with Gyuri (Kara), Seohyun (Girls' Generation), Jun. K (2PM), Changmin (2AM), Jaekyung (Rainbow), Jonghyun (Shinee), Sungmin (Super Junior), Kahi (After School), Luna (f(x)), Jieun (Secret), Junhyung (Beast), Gayoon (4minute), Min (miss A), Bumkey, G.NA, Son Dam-bi, Seo In-guk, IU, and Anna took part in recording the theme song, titled "Let's Go". In late 2010, G.O collaborated with JeA's Brown Eyed Girls in "Because You Sting" (released on 28 Dec.)."[12]

On 4 July 2011, G.O finally released his long-awaited solo debut track, "Even In My Dreams". The song earned many headlines for being personally written and produced by himself. Unfortunately, G.O did not promote this song on music programs to prepare for MBLAQ's comeback.

On 16 October 2012, G.O was featured in Ailee's music video for her title single of the extended play, "I Will Show You".[13]

On 20 November 2013, G.O. returned with a second solo digital single "Play That Song". The track is produced by renowned pianist Yiruma as well as 2FACE, raising the bar even higher and increasing anticipation.

Television career[edit]


In late 2009, MBLAQ's first aired program was Mnet's MBLAQ- The Art of Seduction, which received record ratings.[14]

With their trip to Japan for Rain's fanmeet, music channel Mnet Japan decided to film a documentary of their stay, selecting them as the first stars of their show 2010 K-Pop Star series.[15] The documentary, called Yo! Tokyo, aired in early 2010, showing the public their experience with Japanese culture and traditions over a period of four days.

On 15 December 2009, it was announced that the group would be part of season five of the Idol Show (Hangul: 아이돌 군단의 떴다! 그녀!, lit. Idol Army, She Has Arrived!), with the first episode airing a day later.[16] MBLAQ filmed a total of sixteen episodes.


From 18 February 2010, G.O. along with his fellow member, Lee Joon took on the role of co-hosts (MCD Guys) for the music show M! Countdown.[17]

To coincide with the 2010 FIFA World Cup, MTV Korea created a program called Idol United, where members of male idol groups formed a soccer team to compete against other soccer teams.[18] The fourteen-member team consisted of members from U-KISS, ZE:A, F.Cuz, and D-NA (Dae Guk Nam Ah), with MBLAQ members being Seungho, Lee Joon and Mir. At the end of May, MBLAQ participated in GOMTV's Making the Artist, a small documentary on their life as artists.[19] MBLAQ filmed a total of four episodes documenting their promotions for Y.

Following their promotions for Y, MBLAQ were cast in the final series of M.Net's 'Celebrities Go to School'.[6] Their mentor for the show is actor Kim Soo-Ro. The show started airing in August 2010. MBLAQ have filmed a cameo in Rain's 2010 drama Fugitive (Korean: 도망자), where filming took place at the Saitama JEFF Hall.[7] The members of MBLAQ have also made an appearance in Joon's drama Housewife Kim Kwan Ja's third Activity.


In March, MBLAQ took part in MNet Wide's new corner, Refreshing Interview, with their own show called Sesame Player.[65] MBLAQ filmed a total of 13 episodes, and Infinite has been selected to film Season 2.[20][21][22][23][23][24][25]


They were the star fathers for Hello Baby season 5 where they take care and raise 3 children with different heritages.

G.O will participate on SBS next drama after Rooftop Prince, titled Ghost.[26] Also, there is a plan for MBLAQ sub-unit album (G.O and Mir) release this year, maybe after he finish with the drama, following by Asian tour and MBLAQ next album around September.

G.O is a permanent member of the Immortal Songs 2 cast after the previous members left, along with other idols, like Luna of f(x) and Shin Yong Jae of 4MEN.


On 6 February 2013, MBLAQ's G.O., KARA's Seungyeon, ZE:A's Siwan, SECRET's Ji Eun, and INFINITE's Sunggyu will all be making cameos in the upcoming KBS2 sitcom 'A Bit of Love' ('Remaining Love'). According to KBS reps, "The idols are not fixed cast members, but for about three weeks, they'll appear as the younger versions of the five main characters and leave a strong first impression." G.O. will be playing the younger role of manly man Lee Jae Ryong opposite to Ji Eun of Secret.[27]

G.O. and Go Woori to appear on Love And War 2 for the second part of Idols MBLAQ's G.O. and Rainbow's Go Woori are scheduled to appear in KBS 2TV's Couple Clinic – Love and War 2″ for the Idol Special as the main couple. According to a KBS representative on the 15th through Starnews: “G.O. and Go Woori are confirmed to appear on the Idol Special on the May 17th broadcast of Love and War 2.” This episode is the second part of the Idol Special (first part previous aired in March) and will show a story that couples in their 20s and 30's will be able to relate to. It was also revealed that the two were chosen because they worked together in the past.[28]


Extended plays[edit]

Title Album details Peak positions
  • Released: 25 March 2019
  • Label: justbouncemusic
  • Formats: CD, digital download
Track listing
  1. After Spring
  2. I Often Dream These Days (요즘난니꿈을꾸곤해)
  3. foreverlove
  4. Dance On You
  5. we can't be
"—" denotes release did not chart.


Title Year Peak chart positions Album

As lead artist
"Even In My Dreams" (내 꿈에서라도) 2011 45 Non-album singles
"Play That Song" 2013 53
"After Spring" 2018 words
"I Often Dream These Days" (요즘난니꿈을꾸곤해)
"foreverlove" 2019
with Nassun
2010 38 Non-album singles
"Because You Sting" (니가 따끔거려서)
with JeA
with Mir
2012 68 The BLAQ% Tour
"Good Dream" (좋은 꿈)
with Dal of S.I.S
2018 Non-album single

Soundtrack appearances[edit]

Title Year Peak chart positions Album

"Believe" 2011 92 Mr. Idol OST
"I Knew" (알고 있었어)
with Mir
2012 The Strongest K-Pop Survival OST
"Foolish Me" (바보같은 나)
with Mir
2013 77 Iris II: New Generation OST
"You" 2014 I Need Romance 3 OST
"Like Tomorrow Won't Come" (내일이 안 올 것처럼) 57 Doctor Stranger OST
"Numbness" (사랑무감증) 2016 Madame Antoine OST

Lyrics and composition[edit]

Source: Korea Music Copyright Association,[31] ID: W0700300[32]

Artist Album Title Lyrics Composer, arranger
Tykeys 《TY PROJECT NO.1》 07. Just Once Jang Goon Jeon Sang Hwan
MBLAQ 《BLAQ Style 3D Edition Repackage》 03. Can't Come Back Mir, G.O G.O, Rado
G.O & Mir 《Even in My Dreams》 01. Even in My Dreams Mir, G.O G.O, Park Soo Suk,
Kim Gi Bum
G.O & Mir 《Strongest K-Pop Survival》OST 01. I Already Knew Mir, G.O G.O, 1Take
G.O & Mir 《THE BLAQ% TOUR》 01. Wild Mir, G.O, 1Take 1Take
A-Prince 《You're The Only One》 01. You're The Only One Mir, G.O G.O, 1Take
G.O & Mir 《IRIS 2》OST 05. Foolish Me Mir, G.O, Avengers,
Hyun Jun Choi
G.O, Avengers, Hyun Jun Choi
MBLAQ 《Sexy Beat》 03. R U OK Mir, G.O Primary, G.O
Outsider, G.O 《Rebirth Outsider》 02. Bye U G.O, Outsider Jung Chang Wook
MBLAQ 《Love Beat》 03. Prayer Mir, G.O, Peebear G.O, Peebear
MBLAQ 《Broken》 06. Because There are Two Mir, G.O, Avengers G.O, Radio Galaxy, Avengers
MBLAQ 《Broken》 07. Still With You Outro. G.O, Avengers
G.O 《Dr. Stranger》OST 04. As If Tomorrow Won't Come[33] 김원 김원, G.O,


MBLAQ 《The Girl's Ghost Story》OST The Place You Left[34] Mir, G.O, Avengers,
Hyun Jun Choi
G.O, Avengers, Hyun Jun Choi, Cha Min Young
ROO 《OCN Bad Guys》OST Reason 1Take G.O, 1Take
MBLAQ 《Winter》 02. Spring Summer Fall And Winter... Mir, G.O, Retro Funkee G.O, Retro Funkee
MBLAQ 《Mirror》 02. Mirror MBLAQ, 1Take 1Take
MBLAQ 《Mirror》 05. Eyes On You G.O, Retro Funkee, 1Take
MBLAQ 《Mirror》 06. I Know U Want Me Mir, G.O, Retro Funkee G.O, Retro Funkee



Year Title Role Ref.
2017 Daddy You, Daughter Me Jeon Gong-gil [35]

Television dramas[edit]

Year Title Role Ref.
2010 Housewife Kim Kwang-ja's Third Activities Jin's group member (cameo)
2011 Welcome to the Show Himself (cameo)
2012 Salamander Guru and The Shadows Myung Shik (cameo)
Ghost Lee Tae-kyun
2013 Couple Clinic – Love and War 2 Joo Won (cameo)
Pure Love Choi Min-Soo (young)

Variety shows[edit]

Year Title Notes Ref.
2011 Immortal Songs 2 Contestant [36]
2015 King of Mask Singer Contestant [37]

Musical theater[edit]

Year Title Location Role Ref.
2012–2013 Gwanghwamun Sonata
  • Osaka
  • Tokyo
HyeonWoo [38]
2014 Seopyeonje Seoul DongHo [39]
The Kingdom of the Winds Seoul HoDong [40]

Awards and nominations[edit]

Year Award Category Nominated work Result Ref.
2014 The Musical Award Best Newcomer Actor Seopyeonje Won [41]


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  2. ^ 130716 MBLAQ on All the KPOP (talk show) (in Korean). All the K-pop via YouTube. 16 July 2013. Event occurs at 14:44. Retrieved 18 May 2014.
  3. ^ "MBLAQ's G.O And Choi Ye Seul Tie The Knot Today".
  4. ^ "[Spoiler: Immortal Song 2] G.O talks about his difficult past". Allkpop. 25 June 2011. Retrieved 19 October 2012.
  5. ^ Han Sang, Hee (11 October 2009). "Rain Wows Fans in 'Legend of Rainism'". Korea Times. Archived from the original on 14 October 2009. Retrieved 19 October 2009.
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  9. ^ (in Korean)"엠블랙 데뷔하자마자 오리콘 위클리 2위 기염". Nate News/Newsen. 11 May 2011.
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  11. ^ "Nassun and G.O. Reveal New Single "One"". Allkpop. 14 November 2010. Retrieved 19 October 2012.
  12. ^ "Brown Eyed Girls' Jea stuns in "Because You Sting" MV". Allkpop. 27 December 2012. Retrieved 19 October 2012.
  13. ^ "Ailee releases "I'll Show You" MV (ft. MBLAQ's G.O) + 'Invitation' mini album". Allkpop. 15 October 2012. Retrieved 17 October 2012.
  14. ^ 엠블랙 리얼리티 ‘작업의 정석’, 시청률 2배 ‘대박 (in Korean). SisaSeoul. 9 November 2010. Archived from the original on 19 March 2012.
  15. ^ Kim, Lynn (2 December 2009). "MBLAQ gears up for debut in Japan". Asia Economy. Retrieved 4 March 2010.
  16. ^ "'데뷔 2개월' 엠블랙 '떴다그녀' MC낙점 '초콜릿복근-속옷노출 깜짝'" (in Korean). Joins. 15 December 2009. Retrieved 4 March 2010.[permanent dead link]
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  18. ^ "Music Videos, MTV Playlists, Reality TV, Artist News, Contests | MTV Korea". mtv.co.kr (in Korean). MTV Korea. 14 April 2014. Archived from the original on 14 April 2014. Retrieved 14 April 2014.
  19. ^ "GOMTV Making the artist". Archived from the original on 22 June 2012.
  20. ^ "Rain's MBLAQ Makes Broadcast Debut". Korea Times. 15 October 2009. Retrieved 17 October 2009.
  21. ^ Han Sang, Hee (20 September 2009). "Rain to Reveal New Boy Band, 5-Member MBLAQ". Korea Times. Retrieved 4 March 2010.
  22. ^ "MBLAQ、初のアニメテーマに決定". Oricon (in Japanese). Retrieved 17 August 2014.
  23. ^ a b (Korean)"엠블랙, 신곡 대박 조짐..해외팬 요청에 5만장 추가 제작". Nate News. 15 July 2011.
  24. ^ (Korean) "소지섭·이태곤·엠블랙, 韓문화연예대상 대상(종합)". Nate News. 15 December 2011.
  25. ^ Wee, Geun-woo (20 August 2010). "Will college life be romantic and full of hopes for MBLAQ?". Asia Economy.
  26. ^ "MBLAQ's G.O poses with 'Phantom' co-star So Ji Sub". Allkpop. 4 June 2012. Retrieved 19 October 2012.
  27. ^ "MBLAQ's G.O., KARA's Seungyeon, ZE:A's Siwan, SECRET's Ji Eun, and INFINITE's Sunggyu will all be making cameos in the upcoming KBS2 sitcom 'A Bit of Love' ('Remaining Love')". 3 June 2013.
  28. ^ "MBLAQ′s G.O. and Rainbow′s Woo Ri Talk New and Improved ′Love and War 2′ Idol Special". 24 May 2013. Archived from the original on 21 July 2013.
  29. ^ "Gaon Album Chart" (in Korean). Gaon Music Chart.
  30. ^ a b "Gaon Digital Chart" (in Korean). Gaon Music Chart. Retrieved 27 August 2018.
    Singles: Soundtrack appearances:
  31. ^ "komca". komca (in Korean). Archived from the original on 19 December 2012. Retrieved 16 August 2014.
  32. ^ 鄭丙熙。. fc2 (in Chinese). 22 June 2013. Retrieved 16 August 2014.
  33. ^ "G.O (지오) OF MBLAQ (엠블랙) – LIKE TOMORROW WON'T COME (내일이 안 올 것처럼)". colorcodedlyrics. 26 June 2014. Retrieved 3 June 2014.
  34. ^ "MBLAQ sing G.O & Mir's self composed and written song for 'Girl Ghost Story' OST". allkpop. 26 June 2014. Retrieved 17 August 2014.
  35. ^ Jang, Jin-ri (11 January 2016). 엠블랙 지오, 영화 '아빠는 딸'로 스크린 첫 데뷔. Ten Asia (in Korean). Retrieved 28 August 2018.
  36. ^ Kim, Myeong-eun (11 September 2011). "'심형래 변호' 강금실 전 장관 '불후의 명곡2' 재밌다' 소감 '눈길'". Sports Chosun. Retrieved 28 August 2018.
  37. ^ Park, Eun-hui (20 December 2015). ‘복면가왕’ 붕어빵, 엠블랙 지오였다 '산들 턱 빠진 리액션 감동 배가 돼'. Asia Today (in Korean). Retrieved 28 August 2018.
  38. ^ "MBLAQ (G.O & Seungho) Musical "Gwanghwamun Sonata" in Japan". absolutemblaq. 26 September 2012. Retrieved 16 August 2014.
  39. ^ "MBLAQ's G.O Returns to the Musical Stage with 'Seopyeonje'". Mwave. 14 January 2014. Archived from the original on 19 August 2014. Retrieved 16 August 2014.
  40. ^ "MBLAQ's G.O cast in his third musical 'The Kingdom of the Winds'". allkpop. 17 April 2014. Retrieved 16 August 2014.
  41. ^ "MBLAQ's G.O receives "Best Newcomer Actor" award at "2014 8th The Musical Award"". ttwigo. 30 June 2014. Retrieved 16 August 2014.

External links[edit]