f(x); (L)


Luna, Sulli, Amber, Krystal, Victoria.

F(X) is a girl group consisting of 5 members; Song Qian (Victoria), Amber Josephine Liu (Amber), Park Sun Young (Luna), Choi Jin Ri (Sulli), Soo-Jung Jung ( Krystal). The South Korean girl group was created and formed by S.M Entertainment in the Year 2009. The name “f(x)” is a play on the mathematical notation for function, with “f” signifying “flower” and “x” representing the female’s double X chromosome. The name is a play on the mathematical notation for function, with “f” signifying “flower” and “x” representing the female’s double X chromosome.

SM first released a teaser preview of the group via YouTube on August 24, 2009, introducing them as “Asia’s Pop Dance Group.” For five days, SM individually released information through news portals and posted pictures of each member on SM Town’s official website, starting with Sulli on August 26. Taiwanese-American member Amber was revealed on August 27, Korean-American member Krystal on August 28, Luna on August 29, and lastly the other Chinese member Victoria (also the leader) on August 30.

The group’s first single “La Cha Ta” (stylized as “LA chA TA”) was digitally released on September 1, followed by a 40-second teaser of their music video uploaded to YouTube. Following their first performance at the Samseong-dong Fashion Center on September 2, the music video was screened and released online the next day. The group’s first broadcast performance of “La Cha Ta” was held at MBC’s music show Show! Music Core on September 5.

In 2010, the group appeared at the K-POP France show in January and collaborated with ‘M.I.C.’ a Chinese boy band for a song “Lollipop” to promote the LG phones. Three members of f(x) (Krystal, Luna and Amber) recorded the song “Spread Its Wings” for the soundtrack of a drama called “God of Study” which aired of KBS. Soon after that Krystal and Luna recorded another song for a KBS drama called “Cinderella’s Sister” was OST was called “Calling Out”.




Year Information:
2010 Nu ABO

  • Released: May 4, 2010

Promotional singles:

Year: Song title: Release date:
2009 “LA chA TA” (라차타) September 1, 2009
“Chu” (츄~♡) November 9, 2009
2010 “Thrill Love” March 17, 2010
“Nu ABO” May 4, 2010
“Mr. Boogie” July 17, 2010

Collaborations and endorsement songs:

Song title: Release date: Information:
“Chocolate Love (Electro-pop version)” October 7, 2009 4th edition of the Blacklabel series LG CYON phone “Chocolate”.
“Hard But Easy” (Luna & Krystal)   Used in Invincible Lee Pyung Kang.
“Lollipop” (with M.I.C.)   Commercial for LG CYON phone.
“Spread Its Wings” (Luna, Krystal & Amber)   Used in the drama God of Study.
“I Love You, I Love You” March 21, 2010 Used in the drama More Charming By the Day.
“Sing/Calling Out” (Luna & Krystal)   Used in the drama Cinderella’s Sister.

Music videos:

Year Song:
2009 “La Cha Ta” (라차타)
“Chocolate Love (Electro-pop version)”
“Chu~♡” (츄~♡)
2010 “Nu ABO”



  • Cyworld Digital Music Awards: Rookie of the Month (September) (LA chA TA)
  • 7th Republic of Korea Cultural Entertainment: Newcomer Award
  • 17th Annual Korean Entertainment Awards: Best Newcomer Award




References / Resources:

  1. Google.com – Images; [Search: f(x)]

7 Responses to “f(x)”

  1. mariana February 15, 2011 at 12:52 pm #

    amber,cara de homem

  2. BttB 2011 February 19, 2011 at 2:00 pm #

    Wonderful web-site, in which did you observed this data in this article? I am glad I observed it. i am going to be checking out back soon to examine what other content it is possible to have.

  3. website design February 26, 2011 at 3:47 pm #

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  4. unique-hoodia reviews February 27, 2011 at 11:21 am #

    Good Day Guys I like ur @rticle alot b00kmarked ya! thank you

  5. Erlene Schworm March 6, 2011 at 1:33 am #

    Thanks for an thought, you sparked at thought from a angle I hadn’t given thoguht to yet. Now lets see if I can do something with it.

  6. mariana March 25, 2011 at 2:42 pm #

    f ( x ) o melhor grupo e desculpa amber

  7. entre aspas June 14, 2011 at 7:21 pm #

    la cha ta

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