f(x) fans, are you ready?

On July 22, the girls released a video teaser for title track “Rum Pum Pum Pum” from their second studio album “Pink Tape.” All the girls show off their individual charms, but fans have remarked on the visual transformation of Krystal dying her hair red and Luna sporting jet black hair.

“Rum Pum Pum Pum” will be a pop dance track with an addictive electric guitar sound and percussion rhythm. The beat of the track will be emphasized with a marching band sound that goes along with the lyrics “rum pum pum pum” in the song.

The album will be released on July 29 and the girls will have their first comeback stage beforehand on July 25 through Mnet’s “M! Countdown.”