On the October 17th broadcast of "The Heirs", viewers were given a preview to the new song, and it was revealed to be sung by 2AM's Changmin.
The idol-balladeer announced the news on his Twitter account 2AMCHANGMIN along with a picture of him in the recording studio. He said, "I went here immediately after Kun Myung hyung's wedding. I went to the wedding all dressed nicely, but now I'm stressed here in the recording studio."
He added, "It was difficult for me because it's a type of song that I don't normally sing, but the drama is jjang! OST recording finished! It will be released on air on Wednesday."
While the song hasn't been officially released, it has been played during the recent episodes of the drama, to set the romantic mood on Kim Tan and Cha Eun Sang's budding romance.
The lyrics include lines like "Love is the moment. The day I let you go, that moment, my heart stopped and time stopped."
The songs is reportedly entitled "Moments", and it was composed Kim Do Hoon, who has worked for various K-Music acts like SG Wannabe, Davichi, Lee Seung Gi and CNBLUE.
Meanwhile, Changmin and the rest of 2AM will be holding their concert "Nocturne" on December 7 and 8.
