United Kingdom, Oct. 20 -- Tinashe strives to make "unexpected" music.

The 33-year-old singer released her new album, Popstar, in September, and Tinashe has explained how she approached making the song Melatonin.

Tinashe told Bustle: "Every day I'm just trying to challenge myself, and the people that I'm with, to do something that is unexpected.

"I got in the studio with my friends Nick [Weiss] and Zack [Sekoff] and was like, 'I've got a bunch of a cappellas from different songs that I've been working on that I keep on deck in case we want to flip it or try to make something out of it.' That's really what it started with: just a little piece of vocal, and we started building around that.

"I love working with people who are down to get...