"Unsteady" by American alternative rock band X Ambassadors, from their 2015 album VHS. The song is featured in the 2016 film soundtrack, Me Before You.
https://en.wikipedia.org/wiki/Unsteady_(X_Ambassadors_song)
https://en.wikipedia.org/wiki/VHS_(album)
https://en.wikipedia.org/wiki/X_Ambassadors
https://en.wikipedia.org/wiki/Me_Before_You_(film)
https://en.wikipedia.org/wiki/Unsteady_(X_Ambassadors_song)
https://en.wikipedia.org/wiki/VHS_(album)
https://en.wikipedia.org/wiki/X_Ambassadors
https://en.wikipedia.org/wiki/Me_Before_You_(film)