Girl group f(x) has recently made a comeback with their 2nd album and has been receiving a positive response from all around the world.

On July 29, the group released their new album, Pink Tape, and their title song, "Rum Pum Pum Pum."

Today, their song is currently ranked number 1 on iTunes in Singapore, Indonesia, Malaysia, Taiwan, Thailand and Cambodia on the top albums chart.

They are also ranked number 3 in Hong Kong and number 4 in Japan.

They were even spotted on the U.S. iTunes main album chart at number 53 and gained much attention.

They were also seen at the number 1 spot on the Singapore iTunes Main Single Chart as well.

With all these high rankings after 1 day of the album release, it has proved f(x)'s global popularity.

On the other hand, f(x)  has also been sweeping up music charts in Korea as well.