The Legend of the Blue Sea Background Music Various Artists OST 두번째달 (Second Moon) - 등대.
01. PERC%NT - Weekend 02. 이나래 - 공중일기(空中日記) (0:03:53) 03. 92914 - Sunset (0:07:22) 04. 고캣(Gokat) - Hello (Feat. 지언) (0:11:05) 05.
The Legend of the Blue Sea Background Music Various Artists OST 두번째달 (Second Moon) - 인어의 바다1.