Listen to The Journey to the Heaviside Layer (Instrumental Backing Track) online. The Journey to the Heaviside Layer (Instrumental Backing Track) is an English language song and is sung by David Keith Jones. The Journey to the Heaviside Layer (Instrumental Backing Track), from the album Cats: Hear and Sing, was released in the year 2014. The duration of the song is 1:04. Download English songs online from JioSaavn.