Listen to Serene String Session online. Serene String Session is an Instrumental language song and is sung by Guitar Brothers, Spa Massage Relaxing Music and SPA Relaxation Experience. Serene String Session, from the album Spa Serenity: Soothing Guitar Music for Relaxation, was released in the year 2025. The duration of the song is 2:55. Download Instrumental songs online from JioSaavn.