Listen to Calm Alertness Acoustics online. Calm Alertness Acoustics is an Instrumental language song and is sung by Kiwi Jazz. Calm Alertness Acoustics, from the album 在宅ワークを頑張る時に聴きたいBGM, was released in the year 2024. The duration of the song is 1:20. Download Instrumental songs online from JioSaavn.