 After the release of his debut solo album "Let It Go" in May 2011, Heo turned to acting.He made his musical debut in "The Three Musketeers" in November 2011 and made his first drama appearance on KBS's daily sitcom "I Need A Fairy" (or "Sent From Heaven") in February 2012.He also contributed to that drama's original soundtrack with the release of "Love Song".