Listen to 背书舒缓音乐 (八音盒) online. 背书舒缓音乐 (八音盒) is an Unknown language song and is sung by 轻音乐馆. 背书舒缓音乐 (八音盒), from the album 看书时适合听的音乐/阅读书籍的背景音乐/学习时听的音乐, was released in the year 2024. The duration of the song is 1:57. Download Unknown songs online from JioSaavn.