Listen to Song of the Cosmic Octave (155.85 Hz Neptune Thalassa) online. Song of the Cosmic Octave (155.85 Hz Neptune Thalassa) is an Instrumental language song and is sung by Celestial Serenity. Song of the Cosmic Octave (155.85 Hz Neptune Thalassa), from the album Harmony in Chaos, was released in the year 2024. The duration of the song is 2:19. Download Instrumental songs online from JioSaavn.