Girls' Generation's�Jessica has lent her voice for the main theme of the upcoming�KBS1 historical drama, 'The Great King's Dream'.

The producers behind�Taeyeon's hit OST track "If",�Kim Jun Bum and�Lee Chang Hee, teamed up to produce her new song "Heart Road", increasing expectations for the song. After the preview that was revealed during a special for the upcoming drama, the full song has been released online.

Check it out below!



Audio Tip: Jae