Jang Hyun-seung

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This is a Korean name; the family name is Jang.
Jang Hyunseung
Jang Hyun-Seung.jpg
Background information
Also known as SO-1
Born (1989-09-03) September 3, 1989 (age 25)
Suncheon, Jeollanam-do, South Korea
Genres R&B, pop, hip hop
Occupation(s) Singer, dancer, Musical Actor
Instruments Vocals
Years active 2006–present
Labels Cube Entertainment (2009-present)
Associated acts Beast, Trouble Maker
Korean name
Hangul 장현승
Revised Romanization Jang Hyeon-seung
McCune–Reischauer Chang Hyŏnsŭng

Jang Hyunseung (Hangul: 장현승; Hanja: ; born September 3, 1989)[1] more commonly known as Hyunseung, is a South Korean idol singer and dancer. He is best known as the lead vocalist and lead dancer of the boy band Beast, under the label Cube Entertainment. With Beast, he has released singles and albums in both Korean and Japanese. Beast won the Artist of the Year (Daesang) award at the Melon Music Awards in 2011.[2]

Hyunseung is also one half of the duo Trouble Maker with Cube labelmate HyunA. In December 2011, the duo released their debut mini-album with the lead single, "Trouble Maker."[3]

Family and personal life[edit]

Jang Hyunseung was raised in Seoul, South Korea. He has a younger sister named Jang Geurim.[4] His father died in the early morning of September 20, 2012 from a sudden heart attack.[5][6]

Hyunseung currently attends Dongshin University under a full scholarship, along with four other members of Beast. He is majoring in Applied Music.[7][8]


In 2004, at the age of 15, Hyunseung took part in auditions for YG Entertainment. He was eliminated in the second round, but went to see CEO Yang Hyun Suk afterwards out of frustration at being eliminated and was accepted as a trainee.[9]

For a year and four months Hyunseung was a trainee for the boy band Big Bang. During this time, he used the stage name "So-1," a homonym for the Korean word for wish. He first gained media attention when he appeared in the group's predebut "Big Bang Documentary," along with members G-Dragon, T.O.P, Taeyang, Daesung and Seungri. He appeared in 10 out of 11 episodes, but was cut from the group in a final elimination round with Seungri. Yang Hyunsuk felt that Hyunseung's expressiveness and stage presence were underdeveloped at the time. Fellow Beast member, Yoon Doo-joon decided to become a singer after watching the Big Bang documentary featuring Hyunseung.[10] Hyunseung refers to his experiences at YG as important to his development as an artist.[9]

Hyunseung later met future fellow band member Yang Yo-seob while they were working as dancers for a show performance team. Yoseob convinced Hyunseung to join Cube Entertainment, leading to him debuting with Beast.[9]



The group has released 2 Korean albums, 6 Korean mini-albums, 4 Korean singles, 1 Japanese albums, 1 compilation album, and 5 Japanese singles. In December 2010, Hyunseung teamed up with fellow member Lee Gi-kwang in a subunit to write and compose an R&B track as part of the band's digital album, My Story.

Trouble Maker[edit]

In December 2011, Hyun-seung formed a unit with labelmate 4Minute's HyunA called 'Trouble Maker'. Hyuna had previously released two singles, but both described the unit as something different from either of their respective groups.

Trouble Maker debuted with their self-named lead single and mini album Trouble Maker.[11]The duo gave a teaser performance at the 2011 Mnet Asian Music Awards, which included an on-stage kiss. The album included the lead single "Trouble Maker" as well as the ballad "The Words I Don't Want to Hear".[12] The music video for the track "Trouble Maker" was released on December 1.[13]

The duo's live performances of "Trouble Maker" on weekly music shows were criticized by the Korean media for their sexually suggestive choreography. In response, Cube Entertainment altered the choreography for the rest of the promotion period of "Trouble Maker".[14] The duo also performed "Trouble Maker" at the United Cube concerts in London and Brazil in December 2011.[15] Trouble Maker went on to win three consecutive weeks on the M.net music program M! Countdown for "Trouble Maker."[3]

2013: Chemistry[edit]

On October 4, 2013 Cube revealed that Trouble Maker will make their comeback. A representative said, "We have established their comeback as Trouble Maker to be made on the October 24 episode of Mnet's 'M! Countdown'. As it has been a while since they were active as a unit, the both of them are fully engaged in practice and are very nervous."[16]

On October 28, the group released the single "There Is No Tomorrow" from their EP Chemistry. The song reached topped ten of Korea's major music charts.[17] On November 10, the duo achieved a perfect score of 11,000 points on Inkigayo making them #1 on the "Top 10" ranking of highest scores.

Musical career[edit]

Hyunseung made his acting debut in ‘Mozart!’, a musical. He performed as the main character from late July 2012 to early August 2012 at the Sejong Center.[18]

On April 7, 2014, it was revealed that Hyunseung was cast in the musical, "Bonnie and Clyde." He performed as the lead character, Clyde, from April 15 to June 29, 2014 at the BBC Art Center along with other artists, including SHINee‘s Key, ZE:A‘s Park Hyung Sik, Kahi, and Oh So Yeon.[19]


For Jang Hyun-seung's works with Beast, see Beast discography.


Year Album details Peak
2011 Trouble Maker 2 36,000+
2013 Chemistry 2 30,934
"—" denotes releases that did not chart or were not released in that region.

Features & OST[edit]

Year Date Title Artist Album
2011 05.09 “Loving U” Yoon Doojoon, Jang Hyunseung, Yang Yoseob All My Love OST
2012 07.03 “나는 나는 음악” (“I Am, I’m Music”) Jang Hyunseung for Mozart! Musical -
2013 01.03 “일년전에” (“One Year Ago”) Jang Hyun-seung, Jung Eun-ji, and Kim Nam-joo ‘A CUBE’ FOR SEASON #WHITE


Year Title Type Role
2009 MTV B2ST TV Documentary (MTV) Himself
2010 MTV Beast Almighty TV Show (MTV) Himself
Idol Maid TV Show (MBC) Himself
SHIN PD Variety Show TV Show (SBS) Himself
2011 Exciting Cube TV TV Show (MNET Japan) Himself
2012 Win Win TV Show (KBS2) Himself
Invincible Youth 2 TV Show (KBS2 HD) Himself
2014 Burning The Beast TV Variety Show (MBC) Himself


Year Award Category Nominated work Result
2012 Mnet 20's Choice Awards Hot Performance Star with Hyuna "Trouble Maker" Won
14th Mnet Asian Music Awards Best Collaboration Performance with Hyuna Won
4th Melon Music Awards Song of the Year Nominated
Best Global Artist Nominated
Best Music Video Nominated
Hot Trend Song Won
2013 Golden Disk Awards Digital Music Award Nominated
MSN International Award Nominated
Best Dance Performance Won

Music awards[edit]

M! Countdown[edit]

Year Date Song
2011 December 15 "Trouble Maker"
(with Hyuna)
December 22
December 29
2013 November 7 "Now"
(with Hyuna)

Music on Top[edit]

Year Date Song
2012 January 5 "Troublemaker"
(with Hyuna)


Year Date Song
2012 January 8 "Troublemaker"
(with Hyuna)

Show Champion[edit]

Year Date Song
2013 November 6 "Now"
(with Hyuna)


External links[edit]