"Someone New" is a pop-soul song listed as the fourth track on the album, written by Hozier and Sallay Matu Garnett.

[3] The song has indie-rock influences with a pizzicato bass, distorted chord progressions, and choral harmonies intertwined with echoing vocals.

stating that "...while the grandeur of Hozier's majestic vocals explore atmospheric heights, they also plunge cavernous depths as he taps into things primeval and animalistic.

[17] The video shows Dormer's character as a "women whose mercurial tendencies mask an overwhelming loneliness", traveling through the Underground toward the streets of London.

She repetitively imagines having romantic encounters and exchanges with fellow passengers and passers-by, while Hozier performs the song in a local pub.