Listen to 背景音樂 online. 背景音樂 is an Instrumental language song and is sung by 考試. 背景音樂, from the album 提升學習力200% - 純音樂為了考試，大學課程，自學和補考, was released in the year 2018. The duration of the song is 6:41. Download Instrumental songs online from JioSaavn.