Singer Wax's soundtrack helps fans become more into the drama.

Wax's OST, "Tears Are Falling," has gained a lot of attention after being played in the MBC drama, "I Miss You."

Her emotional and deep voice helped during serious or romantic scenes in the drama.

This song was produced by PJ and Kimg Jang Hoon and written by Choi Gap Won. The lyrical arrangement of the song was a perfect match for the drama.