Listen to Halo of Calm Slumber online. Halo of Calm Slumber is an Instrumental language song and is sung by Binaural Beats Isochronic Tones Lab. Halo of Calm Slumber, from the album Binaural Dream Voyage: Drift Into the Dreamworld of Deep Sleep Serenity, was released in the year 2025. The duration of the song is 2:56. Download Instrumental songs online from JioSaavn.