"Final Song" was released by Chess Club and RCA Victor and premiered on BBC Radio 1 on 12 May 2016 at 7:00 PM BST at Annie Mac.
It has reached the top 5 in Denmark, the top 20 in Australia, Norway and the United Kingdom, and the top 100 in Canada and Sweden.
"Final Song" is a tropical house and dance-pop song, which contains elements of dance-hall.
Lyrically, the song is "about forging on through trying times and the importance of harnessing one's inner power."
The song is written in the key of E major with a common time tempo of 105 beats per minute.