f(x) es no.1 en todos los charts, 7/07/14.

[RED LIGHT] #1 MelOn, #1 Mnet, #1 Olleh, #1 Bugs, #1 Soribada, #1 Daum, #1 Naver #RedLight

Vía: http://onehallyu.com/index.php?/topic/42-official-fx-%E2%99%94-%EC%97%90%ED%94%84%EC%97%91%EC%8A%A4-%E2%99%94-thread-%E2%9D%A4-r-e-d-l-i-g-h-t-%E2%9D%A4-3rd-full-album-sleepy-cats-8th-july-wild-cats-10th-july-release/page-4318