Lyrically, “Dusk Till Dawn" tells the story of two lovers who are willing to do whatever it takes to stay together.
"Dusk Till Dawn" is a pop ballad, featuring a smooth pop-R&B production. It is a massive, cinematic duet with Sia that starts off as a gorgeous, romantic mid-tempo and builds to a 'thrashing sing-along chorus'.
“Dusk Till Dawn”, which seems to be more in-line with the music Sia has been producing for years, as opposed to Zayn, features powerful vocals, high notes and a vocal hook that is somehow impossible to sing along to, while still being memorable. 
In speaking about the song, Zayn stated:
"That’s where I started and that’s obviously still in there. I still like pop music, but it’s about putting my own spin on it, making it me."
The former One Direction member and singer announced the details on social media on Friday (Sept. 1). Teaser art for the song resembles a movie poster and reveals Jemima Kirke, who stars as Jessa on Girls, also appeared in its Marc Webb-directed music video. Zayn maneuvers his tenor vocal range, particularly with the chorus with heavy beats.
It is Webb's first music video in seven years.
In his Fader interview in September, Zayn stated that he didn’t get in the studio with Sia — he did the majority of the song already, and the management played it during a meeting with her. She really liked it, and said, “Can I do something on it?” She did it separately. Zayn wishes to work with her in the studio. The video was inspired by movies Casino and Goodfellas.
The song has received more than 10 million views on YouTube within 24 hours of its release, and more than 27 million views withing 3 days of its release, and 150 million + views within its first month.
|Released||September 07, 2017|
|VEVO views||933,189,639 (since June 01, 2018)|
The video that was released at the same time as the song and it plays more like an action film, with Zayn starring as the fashionable lead man tracking the movements of his equally inscrutable conspirator. It gained 10 million views in one day, beating the previous record made my Zayn's "Pillowtalk".
Zayn follows Kirke's character through a crowded Chinatown street scene, keeping an eye on her black briefcase until a group of cops confront him as the song's soaring chorus kicks in. Zayn is released following a dressing down from an officer, only to peel out in his Jaguar with the cops in hot pursuit. The video ends as Zayn drives off into the sunset with Kirke. The music video also features Garrick Dickson, E.R Ruiz, and Dana Boden.
Behind the scenes
Hugh McIntyre from Forbes said the song is as "epic as it needed to be considering the two powerhouses attached." He noted that it "features powerful vocals, high notes left and right and a vocal hook that is somehow impossible to sing along to, while still being memorable." McIntyre also predicted it could be a potential Grammy Award nominee for Best Pop Duo/Group Performance; the song's producer Greg Kurstin won Producer of the Year at the 2018 Grammy Awards for his work on "Dusk Till Dawn" along with several other songs.
Michael Cragg of The Guardian chose the song as "track of the week" and described it as "a towering piece of perfect pop." Elias Leight from Rolling Stone described the song as "throbbing ballad" and said that the duet "leans close to her [Sia's] trademark style", further stating that "Sia dials back her potent voice to harmonize better with Malik; she often handles the low end, while his singing flutters around in the falsetto range." MTV called it a "massive, cinematic duet" and concluded that it "starts off as a gorgeous, romantic mid-tempo and builds to a thrashing sing-along chorus that will echo around stadiums in no time."
Jordan Sargent, writing for Spin, said "Dusk Till Dawn" was "a step backwards" from Zayn's previous single, "Still Got Time", and further commented that the collaboration with Sia was "fairly predictable and mostly uninteresting".
The Mountain Between Us
- Main article: The Mountain Between Us
The Mountain Between Us is a 2017 American romance-disaster film directed by Hany Abu-Assad and written by Chris Weitz and J. Mills Goodloe, based on the novel of the same name by Charles Martin. It stars Idris Elba and Kate Winslet as a surgeon and a journalist, respectively, who survive a plane crash and are stranded in High Uintas Wilderness with injuries and harsh weather conditions.
German-Iranian composer Ramin Djawadi composed the music for the film. The official trailer for the movie was released with "Dusk Till Dawn" as the official soundtrack.