Hayley and Taylor’s partnership comes several months after both musiciansspoke out At the center of Greta’s rhetoric is a well-founded generational alarmism. She is unwilling to let politicians change targets, even admonishing them for trying to shift their focus to “new green jobs, new businesses, or green economic growth.” Set over a black and white video of half her face with an "x" over her mouth (alluding to the cover art, perhaps?) the lyrics we can hear are as follows: "I had a dream, we were back to 17, summer nights... never growing up." The sound is unmistakably Selena's, as it's a mid-tempo, pop-inspired but ultimately soulful. It's akin to some of her more recent tracks (think "Good For You," in particular) but of course, the melody is all new. She also posted an Instagram that very sneakily tags the DJ Kygo in the corner, hinting that maybe this is a collaboration.Instagram contentView on Instagram more overtly allegorical than ever before. "Fantasy works for me when it mirrors real-life and it has something to tell us," she says. "The best fantasy is still completely based in people and how people behave. Even though the Shadowhunters fight demons and are surrounded by vampires and werewolves, the idea that there are still power-hungry people who are willing to exploit other people's fears still holds."WhileQueen of Air and Darkness