Girls’ Generation’s Jessica recently released her single “Heart Road” for the OST of KBS new Saturday-Sunday historical drama, ‘The Great King’s Dream’. On September 25, the full music video for the song has been revealed.

“Heart Road” is a collaboration between composer Kim Junbum and musical director Lee Changhee, who previously worked together for Taeyeon’s very first solo OST, “If”. It features unique and rare instruments as well as 40-member choir that match with Jessica’s clear voice.

Watch the MV below: