Changmin of 2AM has participated in the OST of SBS’ Wednesday-Thursday drama “The Heirs,” and the track has now been revealed. “Moment” is said to be the official love theme track of the characters played by Park Shin Hye and Lee Min Ho. Changmin’s soft and emotional voice helps emphasize the occasional sad mood of the intense scenes around the two. Two other “The Heirs” theme songs that belong to the third part of the OST are “In the Name of Love” by Ken of boy group VIXX, and “Two People” by artist Park Jang Hyun. The previously released “I’m Saying” and “Love Is” by Lee Hong Gi are receiving much love by the public, proving that the drama has put together a successful OST. In related news, Changmin will soon be meeting his fans at the “2013 2AM Concert: Nocturne” held from December 7 to 8.