Jaejoong's agency has finally released a teaser for his solo album! The video clip gives us a taste of what to expect, vocally, from his upcoming album. This mini album will be his first solo project, and will be focused on the rock genre—a shift that has generated massive curiosity from fans. According to CJeS Entertainment, the album release has been confirmed for January 17, 2013, and he will be putting on a special concert on January 26th and 27th to celebrate both the release of the single, and his birthday. Check out the teaser of his studio recording: What do you think of Jaejoong's venture to the rock side? Will you be waiting in line to for his upcoming album?