CNBLUE, who made a debut in Japan last year, will be making a comeback in the Japan with the single "Don't Know Why". The single, to be released on the 16th, will have 2 songs - "Lie" has been determined as the title song. CNBLUE will also be having a live tour all over Japan, and the concert tickets were sold out within a minute. The three locations for the concerts include 'Namba Patch' in Osaka on the 16th, 'Bottom Line' in Nagoya on the 18th, and 'Shibuya-AX' in Tokyo on the 20th. Check out the preview to "I Don't Know Why" below: http://www.youtube.com/watch?v=EoBYwWUKf98 Thanks to apiapi for the tip.