Why is "Torchwood: Children of Earth (soundtrack)" trending?

Wikipedia Overview

Children of Earth is the banner title of the third series of the British television science fiction television series Torchwood, broadcast for five episodes on BBC One from 6 to 10 July 2009. Directed by Euros Lyn, who had considerable experience on the revived Doctor Who, the series follows an organization known as Torchwood which defends the Earth against alien threats. Children of Earth's plot involves aliens demanding 10% of the Earth's children, as such, Torchwood is pitted against the British government when it attempts to accede to the present-day aliens' demands and conceal a related conspiracy from 40 years prior. The first, third, and fifth episodes of the serial were written by executive producer Russell T Davies, who also conceived its overall storyline. The third episode was co-written by James Moran whilst the second and fourth were penned by newcomer John Fay.