"Flashlight" by British recording artist Jessie J, is from the soundtrack to the film Pitch Perfect 2 (2015).
https://en.wikipedia.org/wiki/Flashlight_(Jessie_J_song)
https://en.wikipedia.org/wiki/Pitch_Perfect_2
https://en.wikipedia.org/wiki/Jessie_J
https://en.wikipedia.org/wiki/Flashlight_(Jessie_J_song)
https://en.wikipedia.org/wiki/Pitch_Perfect_2
https://en.wikipedia.org/wiki/Jessie_J
Text to this post, obtained from this song's Wikipedia page, has been slightly modified and made available here under the Creative Commons Attribution-ShareAlike 3.0 Unported License. (CC BY-SA 3.0)
https://creativecommons.org/licenses/by-sa/3.0/