Listen to Pure Brown Noise online. Pure Brown Noise is an English language song and is sung by White Noise Therapy, Lullaby Land, White Noise for Babies, Calming Sounds, White Noise Research and Meditation Spa. Pure Brown Noise, from the album Vacuums, Dryers and Washing Machines (Loopable Audio for Insomnia, Meditation, and Restless Children), was released in the year 2015. The duration of the song is 1:11. Download English songs online from JioSaavn.