I loved the second movie, just as much as the first one. And especially this song catched my “ear” 🙂 during the ending credits. Halsey is a young American singer-songwriter who started her career on youtube posting videos of herself doing covers. After she posted the song “Ghost” on her soundcloud she got picked up by the Astralwerks Record Label.
In 2016 Halsey provided guest vocals to The Chainsmokers‘ single “Closer“,
More info on www.iamhalsey.com and on her WIKI page.