Listen to Serenity Relax Music online. Serenity Relax Music is an Instrumental language song and is sung by Bedtime Songs Collective. Serenity Relax Music, from the album Anxiety Relief - Essential Music for Mindfulness to Overcome Anxiety and Stress, was released in the year 2020. The duration of the song is 4:43. Download Instrumental songs online from JioSaavn.