Listen to London, England Zoo Indoors with Children and Hum of Voices online. London, England Zoo Indoors with Children and Hum of Voices is an English language song and is sung by Digiffects Sound Effects Library. London, England Zoo Indoors with Children and Hum of Voices, from the album The Sounds of England & France, was released in the year 2016. The duration of the song is 1:13. Download English songs online from JioSaavn.