Axwell and Ingrosso formed the group Axwell^Ingrosso officially in 2014. During June of that year, the band gained prominence among New Yorkers when they began placing clues about their new album in various locations throughout the city.The former Swedish House Mafia manager posted images of some of the clues on Instagram along with a post that stated, "NYC. Let the games begin. Lines of a new song lie on your streets. Only sharing will make it grow.