For this song, Ellie Goulding teamed up with the American songwriter Greg Kurstin, who also assisted Adele on "Hello
Kurstin contributed to seven tracks on Delirium
, while Swedish hit maker Max Martin (Britney Spears, Taylor Swift) helped her on another six. "People are still unsure about my voice… people either love it or hate it, but I love that 'cause it keeps it interesting," Goulding told BBC Radio. "So I wondered what would happen with the context of working with Max and Greg Kurstin, and they're still very intuitive about what I wanted to make, so it's not like they had songs and I sang on them."
"It was very much a collaborative process, and it was me and my unique take on it," she added. "I keep saying it's a pop album, it's a bit different."