Listen to Fireflies in the Sky online. Fireflies in the Sky is a Korean language song and is sung by 코젤다크(KozelDark). Fireflies in the Sky, from the album 별빛 아래, 조용히 스며드는 꿈(Beneath the Starlight, Where Silent Dreams Flow), was released in the year 2025. The duration of the song is 2:48. Download Korean songs online from JioSaavn.