Park Yoon-ha track marks 9th on 'The Legend of the Blue Sea' OST
[https://youtu.be/cV0IdgSxmhU]
SEOUL, Jan. 9 (Yonhap) -- South Korean vocalist Park Yoon-ha's new single "Day By Day" marked the 9th runner for the soundtrack of the TV drama series "The Legend of the Blue Sea."
Starting off with "Love Story"