Below is the email received from Bigeast:

Finally, the new single of JEJUNG & YUCHUN FROM 東方神起「COLORS ～Melody and Harmony～」will be released on the 30th of September 2009.
On the 15th of September (Tuesday), Japan TV『ズームイン!! SUPER』is going to broadcast the PV for the first time! Please do support it!

source: Bigeast and mazejae
translation: sshutingg @ OneTVXQ.com
credits: OneTVXQ.com { One World. One Red Ocean. One TVXQ! }
Feel free to repost, but please leave the full credits intact. Thanks!