Goo Hye Sun, more known for being an actress and director, will officially become a singer with the release of her digital single Brown Hair. The soft and sweet melodic sounds mixed in with Goo Hye Sun's quite amazing vocals and piano solo sure does turn out to be quite a decent song! Thanks to pina for the tip, and check out her song below. http://www.youtube.com/watch?v=rCnmgse_1q0