Listen to 作業用BGM online. 作業用BGM is an Instrumental language song and is sung by 勉強用BGM Maestro. 作業用BGM, from the album 作業用BGM 2018 - 勉強して覚える音楽, was released in the year 2018. The duration of the song is 6:09. Download Instrumental songs online from JioSaavn.