KAT-TUN, group of pop stars release their new single today. The title is "CHANGE UR WORLD". This track is a theme song of "Going! Sports & News". Kazuya Kamenashi, a member of KAT-TUN, takes part in this program. This track is the thirteenth single of them. They include a message that they are pioneer of the music world. This track is unique and isn't overwhelmed by the vogue.