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F

f(x) (/??f '?ks/; Korean: ????, rom. epeuekseu) is a South Korean girl group formed by S.M. Entertainment in 2009. The quintet consists of Victoria, Amber, Luna, Sulli, and Krystal. The group made their debut on September 5, 2009, with release of the digital single "LA chA TA". f(x) released their first EP Nu ABO in 2010 to growing popularity. Afterwhich in 2011, they released their first studio album Pinocchio. The lead single off the album "Pinocchio (Danger)" gained their first music program win and was their first song to win the triple crown, which led to its first repackaged album "Hot Summer.Their second EP Electric Shock was released June 10, 2012. Electric Shock reached the number one spot on both the US and Canadian iTunes electronic albums chart soon after its release. The lead single off their EP gained significant popularity and acclaim, domestically sweeping digital charts.Later in March 2013, f(x) got the honor of being the first Kpop group to perform at 2013 SXSW South By Southwest. Their second album, Pink Tape, released July 29, received critical accalaim & huge success, being described "experimental, steeped in quirky, boundary-pushing electronic sounds with woozy harmonies", thus being the only Kpop album released in 2013 to be ranked as "The Best 40 Albums of 2013", by Fuse TV, an American music channel. Rum Pum Pum Pum marks f(x)'s first lead single to sweep all 9 Korean charts soon after its release.Imagery and artistryf(x) is known for demonstrating challenging dance moves, thus SHINee's Jonghyun complemented that their first singles' choreography (such as LAchATA, Chu~? and NU ABO) were "legendary hard & epic". Later in singles like Pinocchio (Danger), Hot Summer, Electric Shock and Rum Pum Pum Pum, choreography were simplified. f(x) is also praised for their consistency in their electronic music. Their fashion style in singles like LAchATA, NU ABO and Electric Shock shows their fashion styles as different. Later in singles like Chu~?, Pinocchio (Danger), Hot Summer, and Rum Pum Pum Pum shows various scenes with the members wearing one-styled fashion clothes (like in Chu, they had 'Blue', while in Hot Summer and Rum Pum Pum Pum, they had red, and 'Pinocchio' they had a pink lip printed cloth).