Listen to Soothing String Harmony online. Soothing String Harmony is an Instrumental language song and is sung by Guitar Serenade, The Meditation Music Masters and Relaxing Spa Sessions. Soothing String Harmony, from the album Harmony in Motion: Guitar Music for Spa and Massage, was released in the year 2025. The duration of the song is 2:52. Download Instrumental songs online from JioSaavn.