It was written by Jason Boland, Vincent May, Corey Sanders, Jon Maguire, Mark Prendergast, Alex Davies and Stephen Garrigan, with the song's production handled by Two Inch Punch and Stephen Harris.

It was released to digital retailers on 23 June 2017, as the lead single from the band's third studio album Politics of Living.

"It was such a pleasure to work with Stevie again, every time we read one of his scripts they jump right off the page.

We can't wait for everyone to see what he's done for 'Brother', he really captured the perfect vibe again," the band said in a statement.Robin Murray of Clash magazine described the video as "a highly moving, touching, directly emotional affair, one that taps into the core of the song.

[4] Robin Murray of Clash magazine wrote: "'Brother' has all those key Kodaline components - moving lyrics, and a soaring chorus.