"4 Walls" is the lead single off South Korean-based girl group f(x)'s fourth and final studio album of the same title, released on October 27, 2015. The track was written by Jam Factory member Lee Seu-ran, whilst production was handled by London-based duo LDN Noise, Tay Jasper, and Adrian McKinnon. Lee Soo-man, the former president at S.M. Entertainment, served as the executive producer to the track. It was released on October 27, 2015 as the lead single in conjunction with the release of the album. Musically, "4 Walls" is described as a hybrid of tropical h… read more
"4 Walls" is the lead single off South Korean-based girl group f(x)'s fourth and final studio album of the same title, released on Oct… read more
"4 Walls" is the lead single off South Korean-based girl group f(x)'s fourth and final studio album of the same title, released on October 27, 2015. The track was written … read more
f(x) was a four-member (originally five-member) South Korean girl group formed by SM Entertainment active from 2009 to 2016. The name is a play on the mathematical notation for function, with "f" signifying "flower" and "x" representing the female's double X chromosome. The group made their debut on September 1, 2009 with release of a digital single "라차타 (LA chA TA)". The group was initially composed of 宋茜 (Victoria), 엠버 (Amber/Amber Liu), 루나 (Luna), 설리 (Sulli) and 크리스탈 (Krystal). Krystal was first spotted by SM Entertainment in 2000, w… read more
f(x) was a four-member (originally five-member) South Korean girl group formed by SM Entertainment active from 2009 to 2016. The name is a play on the mathematical notation for function, wi… read more
f(x) was a four-member (originally five-member) South Korean girl group formed by SM Entertainment active from 2009 to 2016. The name is a play on the mathematical notation for function, with "f" signifying "flower"… read more