Release Īhead of the track's April 15, 2016, premiere date, Pink uploaded a preview picture, suspected to be from the song's music video, to her Instagram account. It follows a chord progression of Em–G–C–Am, and Pink's vocals span from E 3 to G 5. The song has a running time of 3 minutes and 35 seconds and is performed in the key of E minor with a tempo of 82 beats per minute in common time. The song marks the first occasion that the singer has written an original song for a live action feature film. In an interview with People, Pink claimed that her daughter was the inspiration for the track. The song has been praised for maintaining Pink's signature sound, but also covering new ground stylistically, including a rap-style breakdown. The trio was also responsible for the song's production. 'Just Like Fire' was written by Pink, Max Martin, Shellback, and Oscar Holter.
