G.O (singer)

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This is a Korean name; the family name is Jung.
G.O (지오)
G.O 2013 crop.jpg
Background information
Birth name Jung Byung Hee (정병희/鄭丙熙)
Born (1987-11-06) November 6, 1987 (age 26)
Seoul, South Korea
Origin Seoul, South Korea
Genres Pop, dance, R&B
Occupations Singer, Dancer, MC
Instruments Piano, guitar
Years active 2009–present
Labels J. Tune Camp
Associated acts MBLAQ
Stage name
Hangul 지오
Revised Romanization Ji-Oh
McCune–Reischauer Ji-O
Birth name
Hangul 정병희
Hanja 鄭丙熙
Revised Romanization Jeong Byeong Ui
McCune–Reischauer Jǒng Byǒng Ui

Jung Byung Hee (Hangul: 정병희; hanja: 鄭丙熙; November 6, 1987 ), also known as G.O, is a South Korean idol singer and the main vocalist of the 5 member boy band MBLAQ.

Personal life[edit]

Jung Byung Hee (정병희) or G.O is the main vocalist of Korean boy band MBLAQ. He is the second oldest member of the group after leader Seung Ho. Before MBLAQ, G.O. was a former member of Korean group, TYKEYS, a 3-member band that debuted in 2007. He is the youngest in his family and has two older sisters. His hometown is in South Gyeongsang Province called Changwon.

He also suffers from narcolepsy.[1]

Music career[edit]

Ty Keys[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.[2]


Main article: MBLAQ

Later in 2009, Jung Byung Hee debuted as the main-vocalist for MBLAQ a 5-member boy group under J. Tune Entertainment. He trained with Rain who was the group's founder and mentor. The group debuted on October 9, 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.[3][4] MBLAQ's first single, "Oh Yeah", was released to the public through a music video on October 14, 2009 with their debut single album, Just BLAQ releasing on the same day.[5] MBLAQ made their broadcast debut with the song "Oh Yeah" on Mnet's M! Countdown.[6]

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 May 3, 2011 with an event held at the Kanagawa Lazona Kawasaki Plaza which gathered a reported 10, 000 fans. A day later, on May 4, they released their first Japanese album Your Luv which immediately reached first position of the Oricon Daily Charts, selling more that 11,000 copies.[7][8]

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


In 2010, G.O collaborated with JeA's Brown Eyed Girls in two songs "Because You Sting" (released on Dec. 28th), and "I Can't Tell you This is The End." [9] Later he collaborated with Nassun for "O-IWI-O" and "One".[10] On November 11 and 12, 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 K-Pop groups were recruited to sing the theme song for the 2010 G20 Seoul Summit.. G.O along with Gyuri (KARA), Seohyun (SNSD), Jun. K (2PM), Changmin (2AM), Jaekyung (Rainbow), Jonghyun (SHINee), Sungmin (Super Junior), Kahi (After School), Luna (f(x)), JiEun (SECRET), Junhyung (B2ST), Gayoon (4minute), Min (miss A), Bumkey (2wins), G.NA, Son Dambi, Seo In Kook, IU, and Anna took part in recording the theme song, titled "Let's Go".[11]

On October 16, 2012, G.O was featured in Ailee's music video for her title track of the mini album, “I’ll Show You“.[12]



In late 2009, MBLAQ's first aired program was Mnet's MBLAQ- The Art of Seduction, which received record ratings.[13]

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.[14] 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 December 15, 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.[15] MBLAQ filmed a total of sixteen episodes.


From February 18, 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.[16]

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.[17] 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.[18] 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.[19][20][21][22][22][23][24]


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.[25] 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 Song 2 cast after the previous members left, along with other idols, like Luna of f(x) and Shin Yong Jae of 4MEN.


In February 6, 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.[26]

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 20′s 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.[27]


Main Article: MBLAQ discography


Year Title Other performer(s) Peak positions Album
2010 "Let's Go" Changmin, Jun.k, Gayoon, Kahi, Junhyung, Luna, Seohyun, Gyuri, Min, Jaekyung, JiEun, Jonghyun, Sungmin, G.NA, Seo In Kook, Son Dambi, IU, Bumkey (2wins) and Anna 113[28] Group of 20


Year Title Album Remarks
2011 "Even In My Dreams" Even In My Dreams Single album
2013 "Play That Song" Play That Song Digital single

Original Sound Tracks (OSTs)[edit]

Year Title Name of series Album Remarks
English Hangul English Hangul English Hangul
2012 I Knew 알고있었어 Strongest K-POP Star Survival K-POP 최강 서바이벌 Strongest K-POP Star Survival OST Part 1 K-POP 최강 서바이벌 OST Part 1 Duet with fellow member Mir
Because It's Heaven (Winter Rain)[29] 천국이니까 (Winter Rain) The King of Dramas 드라마의 제왕 The King of Dramas OST Part 4 드라마의 제왕 OST Part 4
2013 What a fool I am[30] 바보같은 나 Iris II 아이리스 II Iris II OST Part 5 아이리스 II OST Part 5
2014 You[31] N/A I Need Romance 3 로맨스가 필요해 3 I Need Romance 3 OST Part 3 로맨스가 필요해 3 OST Part 3
As If Tomorrow Won't Come[32] 내일이 안 올 것처럼 Doctor Stranger 닥터 이방인 Doctor Stranger OST Part 4 닥터 이방인 OST Part 4
The Place You Left[33] 니가떠난그자리 The Girl's Ghost Story 소녀괴담 The Girl's Ghost Story OST 소녀괴담 OST With MBLAQ. The soundtrack will be released on June 26th, and the film on July 3rd.


Music Videos[edit]

These are a collection of G.O.'s appearances in other artists' music videos as well as notable acting performances in music videos.

Year Song Title Artist
2010 "I Can't Tell You This is The End" J.ae
"O-IWI-O"[34] Nassun
2011 "Let's Go (KOR)"[35] G20
"Let's Go (ENG)"[36] G20
2012 "I Will Show You"[37] Ailee

Variety Show[edit]

Year Network Title Role Remarks
2009 Mnet Art of Seduction Himself
MBC Idol Army
2010 Housewife Kim Kwang Ja's Third Activities Cameo
GOMTV Making the Artist
Mnet MBLAQ Goes To School
2011 KBS 100 Points Out of 100 Points Also known as (a.k.a.) Oh! My School
Mnet Sesame Player
KBS Immortal Song 2
2012 Hello Baby Season 5
Mnet The Voice of Korea
MBC Idol Manager
SBS Salamander Guru and the Shadows Ep. 8 Cameo
Ghost Lee Tae-kyun[25]
Channel A Strongest K-Pop Survival Himself Cameo
2013 KBS Couple Clinic – Love and War 2[27] Joo Won


  1. ^ (talk show) (in Korean). All the K-pop via YouTube. 2013-07-16. Event occurs at 14:44 on All the Kpop https://www.youtube.com/watch?v=L6jyGnab_vY&feature=youtu.be on All the Kpop. Retrieved 2014-05-18.  Missing or empty |title= (help)
  2. ^ "[Spoiler: Immortal Song 2] G.O talks about his difficult past". Allkpop. 2011-06-25. Retrieved 2012-10-19. 
  3. ^ Han Sang, Hee (October 11, 2009). "Rain Wows Fans in 'Legend of Rainism'". Korea Times. Retrieved October 19, 2009. 
  4. ^ Kim, Lynn (September 27, 2009). "Idol Group MBLAQ to debut at Rain's Concert". Asia Economy. Retrieved October 17, 2009. 
  5. ^ "MBLAQ's debut single set to release on October 14". asiae.co.kr. September 22, 2009. Retrieved February 3, 2012. 
  6. ^ "Rain's MBLAQ Makes Broadcast Debut". Korea Times. October 15, 2009. Retrieved October 17, 2009. 
  7. ^ (Korean)"엠블랙 데뷔하자마자 오리콘 위클리 2위 기염". Nate News/Newsen. May 11, 2011. 
  8. ^ (Japanese) "MBLAQ、デビューイベントに1万人 メンバー・ミルが復帰後初ライブ". Oricon. May 3, 2011. 
  9. ^ "Brown Eyed Girls’ Jea stuns in "Because You Sting" MV". Allkpop. 2012-12-27. Retrieved 2012-10-19. 
  10. ^ "Nassun and G.O. Reveal New Single "One"". Allkpop. 2010-11-14. Retrieved 2012-10-19. 
  11. ^ "Preview of Group of G20 "Let's Go" revealed". Allkpop. 10/12/2010. Retrieved 2012-10-19. 
  12. ^ "Ailee releases "I’ll Show You" MV (ft. MBLAQ’s G.O) + ‘Invitation’ mini album". Allkpop. 2012-10-15. Retrieved 2012-10-17. 
  13. ^ (Korean) "엠블랙 리얼리티 ‘작업의 정석’, 시청률 2배 ‘대박". SisaSeoul. November 9, 2010. 
  14. ^ Kim, Lynn (December 2, 2009). "MBLAQ gears up for debut in Japan". Asia Economy. Retrieved March 4, 2010. 
  15. ^ (Korean) "‘데뷔 2개월’ 엠블랙 ‘떴다그녀’ MC낙점 ‘초콜릿복근-속옷노출 깜짝’". Joins. December 15, 2009. Retrieved 4 March 2010. 
  16. ^ (Korean) http://search.nate.com/search/all.html?q=mblaq&dq=%BF%A5%BA%ED%B7%A2&hi=PR341953&ht=h_pf&csn=12&dsn=4&asn=001200324.  Missing or empty |title= (help)
  17. ^ (Korean) . MTV Korea http://www.mtv.co.kr/tv/idolunited/.  Missing or empty |title= (help)
  18. ^ "GOMTV Making the artist". 
  19. ^ "Rain's MBLAQ Makes Broadcast Debut". Korea Times. October 15, 2009. Retrieved October 17, 2009.
  20. ^ Han Sang, Hee (September 20, 2009). "Rain to Reveal New Boy Band, 5-Member MBLAQ". Korea Times. Retrieved March 4, 2010.
  21. ^ Oricon. September 5, 2011. http://www.oricon.co.jp/news/music/2001475/full/.
  22. ^ a b (Korean)"엠블랙, 신곡 대박 조짐..해외팬 요청에 5만장 추가 제작". Nate News. July 15, 2011.
  23. ^ (Korean) "소지섭·이태곤·엠블랙, 韓문화연예대상 대상(종합)". Nate News. December 15, 2011.
  24. ^ Wee, Geun-woo (August 20, 2010). "Will college life be romantic and full of hopes for MBLAQ?". Asia Economy.
  25. ^ a b "MBLAQ’s G.O poses with ‘Phantom’ co-star So Ji Sub". Allkpop. 06/04/2012. Retrieved 2012-10-19. 
  26. ^ "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').". 03/06/2013>. 
  27. ^ a b "MBLAQ′s G.O. and Rainbow′s Woo Ri Talk New and Improved ′Love and War 2′ Idol Special". 2013-05-24. 
  28. ^ (Korean)"국내 아이돌 20명 'Group of 20'으로 뭉쳐 'Let's Go!' 제작". The Union Press. October 12, 2010. Retrieved October 29, 2010. 
  29. ^ (Korean)"엠블랙 지오-미르, 이현-예성 이어 '드라마의 제왕' OST 합류". Star News. December 26, 2012. 
  30. ^ (Korean)"'지오 미르 '바보같은나' 공개 '아이리스2' 비밀병기 투입". Newsen. March 30, 2013. 
  31. ^ (Korean)"'엠블랙 지오, '로필3' 김소연·성준 설렘 담은 OST 'YOU'로 지원사격". TV daily. January 27, 2014. 
  32. ^ (Korean)"'엠블랙 지오 '내일이 안 올 것처럼', '닥터 이방인' OST 참여..애절 보이스로 이종석 대변". Daum. June 3, 2014. 
  33. ^ (Korean)"엠블랙, '소녀괴담' OST 참여..'공포영화 음악 맞아?'". E Daily. June 11, 2014. 
  34. ^ "G.O. appears in Nassun's "O-IWI-O" music video". youtube. 09/02/2010. Retrieved 2012-10-19. 
  35. ^ "G.O. appears in G20's "Let's Go (KOR)" music video". youtube. 03/09/2011. Retrieved 2012-10-19. 
  36. ^ "G.O. appears in G20's "Let's Go (ENG)" music video". youtube. 03/09/2011. Retrieved 2012-10-19. 
  37. ^ "G.O. appears in Ailee's "I Will Show You" music video". youtube. 2012-10-15. Retrieved 2012-10-19. 

External links[edit]