Download video: Dujun & Dongwoon - 문이 닫히면 (Teaser)
Channel: BEAST 비스트 (Official YouTube Channel)
TIP: Right-click and select "Save link as.." to download video
Initializing link download.....
and It finally will be released as digital single (studio version)
You can buy this song from korean online music store after 5 PM on december 21, 2010 (KST)