Listen to Tranquility online. Tranquility is an Unknown language song and is sung by Odyssey for Relax Music Universe. Tranquility, from the album Calming Music – New Age Songs for Deep Relaxation Anti Stress, Peace of Mind, Well Being, Serenity, Happiness, Relax & Meditate, was released in the year 2015. The duration of the song is 3:31. Download Unknown songs online from JioSaavn.