"Hey Brother" is a dance song by Swedish DJ and producer Avicii from his debut studio album, True (2013). It features uncredited vocals from American bluegrass singer Dan Tyminski, and was written by Avicii, Ash Pournouri, Salem Al Fakir and Vincent Pontare. The song was solicited to Australian radio on 9 October 2013 as a promotional single from True. It was released as the album's third single on 28 October 2013 in Germany, Switzerland and Austria.
On 1 November 2013, the lyric video for "Hey Brother" was released onto YouTube by AviciiOfficialVEVO. The video is an assortment of stock footage clips depicting regular people and obscure events in normal everyday life such as playing basketball, having a light snack on chocolate and an olive, popcorn popping, and having a snowball fight, all in slow motion and all whilst a dynamic animation of text represent the lyrics.
The official music video was released on 9 December 2013. It depicts two boys growing up in wartime America. There are pictures and clips of the Vietnam War interspersed in the video. At the end it is revealed that the younger boy imagines his father (who died in the Vietnam War) as the older brother he never had. It features two boys, the older boy is Zach Voss, the younger boy is Jack Estes.
In the United Kingdom, after climbing for several weeks, "Hey Brother" peaked at number two on the UK Singles Chart on 15 December 2013 ― for the week ending dated 21 December 2013 ― being held off the top spot by Lily Allen's cover of "Somewhere Only We Know". As of 9 February 2014 - for the week ending 15 February 2014 - the single has spent 10 consecutive weeks in the top 10. In addition, "Hey Brother" peaked at the top of the UK Dance Chart. Including previous releases "I Could Be the One", "Wake Me Up!" and "You Make Me", Avicii therefore reached the summit of the UK Dance Chart four times in 2013 alone. The song spent a total of six weeks at the top spot on the UK Dance Chart, ended by "Rather Be" by Clean Bandit featuring Jess Glynne.