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f(x) (band)

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F(x) 2012 Expo.jpg
f(x) at Yeosu Expo K-Pop Festival in 2012. (L–R) Luna , Victoria , Krystal and Amber.
Background information
Origin Seoul, South Korea
Years active 2009–present
Associated acts SM Town
Past members

f(x) (/ˌɛf ˈɛks/; Korean: 에프엑스) is a K-pop girl group formed by S.M. Entertainment in 2009. The group is composed of four (formerly five) members: Victoria, Amber, Luna and Krystal. They have been recognized as "the most reliably risk-taking act in K-Pop"[3] due to their experimental fashion and their eclectic, electropop sound.[4] Each member has also participated in other forms of entertainment, such as acting and television hosting.

Since their debut, f(x) has released four full-length albums, two extended plays, one repackaged album, one Korean Physical single and one Japanese Physical single. They have also won many awards and starred in their own reality shows.

f(x) is one of the few K-pop groups to receive international recognition, as they were the first K-pop act to perform at SXSW[5] and their widely acclaimed second album, Pink Tape, was the only K-pop album chosen by the American music channel Fuse to be among the "The 41 Best Albums" of 2013.[6]


Casting and pre-debut

Krystal was first spotted with her sister, Jessica, by S.M. Entertainment in 2000 on a family visit to Korea, which earned her a small role in Shinhwa's "Wedding March (Neoui Gyeoteseo 2)" (너의 곁에서 2) music video.[7][8]

Former member Sulli debuted as a child actress in 2005 when she was selected to play young Princess Seonhwa of Silla in the SBS television drama, Ballad of Seodong.[9]

In 2006, the agency recruited Luna after her performance on the television program Truth Game.[10]

Victoria was spotted by one of S.M. Entertainment's agents at a Beijing dance competition in September 2007, and later joined the company.

Two months later, Amber was cast through S.M. Global Auditions in Los Angeles, California, where she signed a contract to become one of two trainees.

2009: Debut, LA chA TA and Chu~♡

f(x) was introduced, as the "Asia's Pop Dance Group", through a video teaser released on August 24, 2009.[11] Their debut single, "LA chA TA", was released on September 1.[12] On September 2, the group performed their single for the first time at a showcase held at the Samseong-dong Fashion Center.[13] They made their official debut on September 5 at their first broadcast performance under MBC's music show Music Core.[14]

In October, f(x) promoted the LG Chocolate cellphone alongside label mates Girls' Generation.[15] Both groups released their own rendition of the song "Chocolate Love", with f(x)'s being an electro-pop version on October 8.[16] Their first physical single, "Chu~♡", was released on November 9.[17] A month later, the group appeared as special guests at Girls' Generation's Into The New World concert held at the Olympic Fencing Gymnasium on December 19 and 20.,[18] performing their singles "LA chA TA" and "Chu~".

f (x) with Girls' Generation at a showcase for the LG Chocolate cellphone

2010: Nu ABO and rising popularity

In January 2010, f(x) collaborated with Chinese boy band M.I.C. to promote the LG Cyon cellphone.They released a Chinese cover of "Lollipop", written by Julius Dixson and Beverly Ross, on January 2. f(x) also had their first documentary reality show Hello f(x) in April, which filmed the members' travel experiences in several countries like Africa and Thailand.

Subsequently, f(x) released their first extended play, Nu ABO on May 4. Consisting of six tracks, the lead single "Nu ABO" topped various online music portal charts in Korea,[19] and also become one of Gaon Chart's weekly number-one singles. The group held their first performance of the song on KBS's Music Bank on May 7.[20]

Shortly after the group's comeback, Amber went on hiatus in June due to an ankle injury. The remaining four members were to continue group activities without her for the rest of the year. Starting July 17, f(x) began performing "Mr Boogie" on music shows as a follow-up single from their EP. The group went on to participate in the SMTown Live '10 World Tour on August 21 at the Seoul Jamsil Olympic Stadium. They also performed in Tokyo, Shanghai, Los Angeles, and Paris on later dates.[21] This marks the first time f(x) and their fellow label mates are performing outside of Asia. In October, f(x) was announced to have their second documentary reality show, f(x)'s Koala, which would be filmed without Amber. The show featured the f(x) members' sharings about their sightseeing in Los Angeles, Tokyo and other world-famous cities to attain cultural experiences, which helps promote f(x) and South Korea in different countries.

f(x) was later announced to have been signed to Japan's Avex Entertainment, and their albums will be released under the label in Japan, Taiwan, China, and Hong Kong.[22]

2011: Pinocchio and Hot Summer

In early 2011, it was announced that Amber has returned to the group from her hiatus and the group would be preparing for their upcoming comeback and album release.[23] On April 20, f(x)'s first full-length studio album Pinocchio, along with its lead single, "Pinocchio (Danger)", was released. The single peaked at number one on the Gaon digital single chart upon its release. The group held their first performance of the single on KBS's Music Bank on April 22 and achieved eight wins with "Pinocchio (Danger)" on various music shows.

On June 14, "Pinocchio" was re-released under the title Hot Summer. The repackage album contained the title track "Hot Summer", a remake of a Monrose song written by Thomas Troelsen and Remee,[24] as well as three previously released digital singles "LA chA TA", "Chu♡" and "Is It Ok?".[25] The single was a success, peaking at number two on the Gaon digital single chart and recording over 375,000 downloads during its release week. The song went on to become the 16th most successful digital song of 2011 in South Korea, selling 2,909,384 copies by the end of the year.

In August 2011, f(x) released an OST song called "Garagabana" for the online game Bust-a-Move;[26] and in December, they released an English song entitled "1, 2, 3" as part of the 2011 Winter SMTown – The Warmest Gift album.[27]

2012: Electric Shock and Japanese debut

A sample of f(x)'s "Electric Shock"

Problems playing this file? See media help.

f(x) released their second EP titled Electric Shock on June 10, 2012.[28][29] Upon its release, the EP received widespread acclaim from South Korean critics, many commending its cohesive production and f(x)'s newfound sonic direction.[30] On June 14, the group began promotions for the album, starting on Mnet's M! Countdown. They performed both the title track "Electric Shock" and album track "Jet" as part of their special comeback stage. The group eventually achieved 9 wins on various music shows.

f(x) performing at a Yeosu Expo K-Pop concert on July 17, 2012. Sulli did not participate due to a drama shooting.

On November 30, f(x) received the "Best Dance Performance - Female Group" award for "Electric Shock" at the 2012 Mnet Asian Music Awards in Hong Kong.

2013: SXSW, Pink Tape and SMTOWN Week

In January 2013, the songs "Electric Shock" and "Jet" from f(x)'s second EP were both nominated for "Best Dance and Electronic Song" award at the 10th Annual Korean Music Awards.[31][32] "Electric Shock" eventually won the award. In the same year, f(x) was also awarded the "Digital Bonsang" award at the Golden Disk Awards and Seoul Music Awards, as well as the "MBC Music Star Award" at Melon Music Awards.

In March, f(x) became the first K-pop artist to perform at the SXSW, a festival held annually in Austin, Texas.[33]

A sample of f(x)'s "Pink Tape"

Problems playing this file? See media help.

The group's second full-length album Pink Tape was released on July 29. Their showcase, "f(x) Music Spoiler - Play! Pink Tape", was held through Naver Music on the same day. The album peaked at number one on multiple music charts internationally, including Billboard's World Albums Chart[34] and Gaon Albums Chart.[35] The album also received several critical acclaims, and was the only Kpop release in 2013 to be ranked in "The 41 Best Albums of 2013", by Fuse.[36] f(x) began promotions for the album starting with Mnet's M! Countdown on July 25. "Airplane" ranked #3 on Billboard's "20 Best K-Pop Songs of 2013".[37][38]

2014: Red Light and Sulli's temporary hiatus

In early 2014, f(x) won several awards for their musical and artistic performance in 2013. They were awarded the "Group Artist" award at the 20th Korean Entertainment Arts Awards,[39] "Disk Bonsang" at the 28th Golden Disk Awards,[40] as well as "Best Overseas Artist Performance" at Yin Yue Feng Yun Bang Awards held in China.[41]

f(x)'s third studio album Red Light was released on July 7, 2014, along with the music video of "Red Light".[42] The eponymous title track "Red Light" is of the electronic house genre, and the lyrics talk about capturing great moments, sending a message to stop and reconsider what is important in life; while using red light to symbolize a warning in an interesting manner. The album experiments with different sounds and has a total of eleven tracks, including promotional tracks "Milk" and "All Night".[43] In regard to some mixed reviews regarding the album's dark and eerie concept, f(x) discussed that they themselves like challenging themselves with new and unique concepts. Krystal further added that she likes this current concept because a lot of times she’s given roles that make her look pretty, but just this once she wanted something that would make her look darker and different.[44] The music video reached more than 2 million views on YouTube on the first day of its release, and was also ranked as the most viewed K-pop videos in America and around the world during the month of July.[45] Fuse TV described the group as K-Pop's top hipsters,[46] and Pitchfork listed f(x)'s previous singles "Shadow", "Rum Pum Pum Pum", along with "Red Light" as part of the best 20 essential K-pop songs in recent years.[47][48]

On July 17, f(x) performed on Mnet's M! Countdown without Sulli, with S.M Entertainment announcing that Sulli was sick and thus unable to perform.[49] However shortly after, S.M Entertainment posted an official statement on the group's homepage, stating Sulli has became "mentally and physically exhausted from the continuous, malicious comments and false rumors" that has been spread about her in the past year,[50] and thus she would take a temporary hiatus from the entertainment industry though still remaining a member of the group.[51] The group would also be wrapping up promotions for their third album Red Light, and the remaining members would now focus on their solo activities and continue any group activities without Sulli for the time being.[52]

2015: SUMMER SPECIAL, 4 WALLS, solo concert and Japanese tour

The group's first physical Japanese single[53] Summer Special Pinocchio / Hot Summer, was released on July 22, 2015. It includes both "Hot Summer" and "Pinocchio", and also contains a bonus DVD containing the music videos of both songs.[54][55] At the event held in Osaka for the release of the single, only Krystal, Luna and Amber were present.[56] Victoria was absent due to her health[57] and her activities in China[58] as well as a movie filming in England[59][60][61] and Sulli has still not returned from her break.[62]

f(x) performing at Trafalgar Square during the premiere of the London Korea Festival : Imagine Your Korea.

On August 7, S.M Entertainment officially announced that Sulli will leave the group. Two days later, the group held their first official stage as a 4-member group at the "2015 London Korean Film Festival: Imagine Your Korea" event, giving a free performance at Trafalgar Square to celebrate the festival.[63][64][65] It was reported that over 35,000 people were in attendance for the festival. S.M Entertainment also confirmed that f(x) will be coming back as a 4-member group with their fourth studio album, scheduled to release sometime in September.[66]

On August 29, Krystal, Amber and Luna performed at the Japanese music festival "AVEX A-Nation 2015 Stadium Festival" in Tokyo, Japan. They performed "Red Light" , "All Night" , "Rum Pum Pum Pum" and Japanese versions of "Pinocchio (Danger)" and "Hot Summer" with over 50,000 people as attendance at the festival.[67] f(x) attended "Tencent K-Pop Live Concert" on September 30, where the group performed six singles: "Hot Summer", "Electric Shock", "Rum Pum Pum Pum", "Red Light" and "All Night", as well as Amber's solo single "Shake That Brass".[68][69] f(x) also attended and performed at the 2015 "K-Pop Jeju Festival" on October 25, alongside EXID, BtoB, BTS and GOT7;[70] as well as the "UNIKOREA Culture Week" on October 31.[71]

On October 19, SMTOWN created a new Instagram account called "f(x) - 4 WALLS",[72] where photos of f(x)'s comeback were posted. From October 21 through 26, an art gallery located in the Itaewon District and called "4 Walls : An Exhibit" showcases the individual member's teaser videos on each of the four walls.[73] Victoria's teaser photoshoots were exhibited on October 21,[74]'[75] Luna's on October 22,[76]'[77] Krystal's on October 23,[78]'[79] and Amber's on October 24.[80]'[81] On October 27, f(x)'s "4 Walls" music video was released on S.M Entertainment's official Youtube channel. [82]'[83]'[84]'[85] In less than a day, "4 Walls" accumulated a total of 1,884,732 views.[86][87] Their fourth full-length album was released the following day. f(x) held their first comeback stage on October 29, on Mnet's M! Countdown, performing their title song, "4 Walls", along with their album track "Diamond". They also held performances on KBS's Music Bank, MBC's Music Core and SBS's Inkigayo.[88] The group eventually achieved 5 wins on various music shows after promoting for three weeks. 4 Walls has sold 66k copies in one week upon it's release, allowing f(x) to become the highest selling female artist in 2015 with their first week sales. The album also debuted at the number one spot on Billboard,[89] and became critically acclaimed on Pitchfork; making them the only Kpop group apart from 2NE1 to be featured on the website[90]

On October 28, S.M Entertainment reveals that the girl group will be holding their very own solo concert for the first time next January. The concert will take place at the Seoul Olympic Park Olympic Hall on January 30 and 31.[91]'[92] They have also been confirmed to head to Japan next February for their first Japanese concert tour since their Korean debut in 2009.[93] The upcoming tour will kick off on February 20 in Tokyo, and end on the 28th at the Achi Prefecture.

On November 9, it's announced that the members of f(x) were getting their own reality show for the first time in two years. f(x)=1cm would show f(x) members interacting and having much more intimate communication with their fans.[94] The program is going to be airing for 4 days with two episodes per day for 8 episodes from November 10 to the 13th, through NaverTV as well as China's Youku.[95]

It was announced that f(x) would attend 2015 Mnet Asian Music Awards on December 2, and hold a collaborative performance with the British electronic pop duo Pet Shop Boys.

Amber in Seoul Plaza

Amber's solo debut

S.M Entertainment announced the solo debut of Amber on November 30, 2014, revealing that the album is set to be released in February 2015.[96] She released an EP.

It was revealed that the EP was written and composed by Amber, including the lead single, "Shake That Brass", which features Girls' Generation member Taeyeon.[97] In the February 12 broadcast of SBS Power FM's 'Cultwo Show', Amber revealed that she personally asked the singer if she wanted to be featured in the song.[98]

Sulli's departure

After a year of hiatus, it was announced, on August 7, that Sulli had officially withdrawn from the group, to focus on an acting career, and that the group will continue to promote as a four members group, with SM, still managing Sulli's acting endeavors.[99][100][101][102]


Main article: f(x) discography


Music videos



Year Title Notes Role
2012 I AM. Documentary of SM Town Live '10 World Tour at Madison Square Garden Themselves
SM Town Live in Tokyo Special Edition in 3D Documentary of SM Town Live World Tour III at Tokyo
2015 SMTOWN The Stage Documentary of SM Town Live World Tour 4 at Tokyo


Main article: F(x) concert tours

Awards and nominations


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  34. ^ Q&A: f(x) Reacts to Topping K-Pop Hot 100 & World Albums Chart (Exclusive) (September 11, 2013). Retrieved May 27, 2014.
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  40. ^ Winners from the '28th Golden Disk Awards' (January 16, 2014). Retrieved May 27, 2014
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  100. ^ Cite error: The named reference auto1 was invoked but never defined (see the help page).
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External links

Awards and achievements
Preceded by
Girls' Generation
Korean Music Awards: Group Musician of the Year
Succeeded by
Preceded by
Miss A
14th Mnet Asian Music Awards - Best Female Dance Performance
Succeeded by