Listen to Rest and Relaxation online. Rest and Relaxation is an Instrumental language song and is sung by Harper Zen. Rest and Relaxation, from the album Piano Spa: Calm Music For Spa, Massage Therapy Music, Healing Music, Sleeping Music, Music For Meditation and Healing Spa Music, was released in the year 2019. The duration of the song is 2:33. Download Instrumental songs online from JioSaavn.