f(x) to unveil teaser video tomorrow

f(x) members from left to right: Sulli, Amber, Krystal, Victoria and Luna [SM Entertainment]

Korean idols f(x) will be unveiling a teaser video tomorrow ahead of their return to the music scene with an album early next month, according to their agency on Thursday.SM Entertainment announced in a press release that the video, promoting the girls' first mini-album, will go public on April 30 on the girls’ official website and other portal and online music sites. SM had unveiled teaser images of f(x), all five members sporting new bolder looks for their record due out May 4.The group, composed of Victoria, Luna, Krystal, Amber and Sulli, made their debut in 2009 with their single album "LA chA Ta" and have also released songs including "Chu~♡" and "Chocolate Love" which was a project single with fellow girl band Girls' Generation to promote LG Cyon's Chocolate phone. They have also started promoting themselves overseas, performing in France for the MIDEM showcase, in Thailand to promote themselves at the "2010 Pattaya International Music Festival" and several cities in Japan. Reporter : Lucia Hong luciahong@Editor : Jessica Kim jesskim@<ⓒ10Asia All rights reserved>