Listen to Calmness and Serenity Relaxation Music online. Calmness and Serenity Relaxation Music is an Instrumental language song and is sung by Pilates Trainer. Calmness and Serenity Relaxation Music, from the album Yoga Class Mix, was released in the year 2018. The duration of the song is 5:48. Download Instrumental songs online from JioSaavn.