Listen to 作業用BGM online. 作業用BGM is an Instrumental language song and is sung by 癒しBGM. 作業用BGM, from the album ガンマ波 瞑想 - 集中力, 癒しの音楽, was released in the year 2018. The duration of the song is 6:05. Download Instrumental songs online from JioSaavn.