Listen to 萤火微光 online. 萤火微光 is an Instrumental language song and is sung by 洛清. 萤火微光, from the album 晚安助眠钢琴曲丨舒缓轻音乐（三）, was released in the year 2025. The duration of the song is 2:14. Download Instrumental songs online from JioSaavn.