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The video is from SM Entertainment`s official YouTube channel `SMTOWN`.
Earlier this week BoA released the teaser for her new single `Only One`, written and composed by herself, for her 7th Korean album `Only One`. The dance version music video along with her 7th album was released today. It has been almost 2 years since she her last Korean album. The 6th album was released on August 5, 2010, on her 10th year anniversary. I`ve been a fan for many years and I`m really excited to hear the new album and watch her comeback performances! I think she did an excellent job with writing and composing this song.
Source link: http://www.youtube.com/watch?v=PQjovLrnvVo