Girl group f(x) released their third album Red Light on July 7.

f(x) will release their music through online music site such as iTunes, Melon, Bugs, Genie, and other sites worldwide.

In this album, 11 songs are listed including title song "Red Light." Teddy Riley, Thomas Troelsen, Kenzie, and hitchhiker contributed to the producing of the album.

"Red Light" is a song that features a urban house beat rhythm in an electro house genre. f(x) staged their comeback performance last week, becoming the hot topic among K-Pop fans worldwide.

Pop dance song "Summer Lover," written by member Amber, electronic dance song "Rainbow," and mysterious sound music "Butterfly" add variety to the album.

Additionally, rock dance song "Vacance," "electronic dance song "Spit It Out," and pop dance song "Boom Bang Boom" also list fun lyrics and flavor.