Stargate, the hit-making Norwegian production duo, have shared a new song with Sia and Pink called “Waterfall.” Listen to it below. The duo have credits on 10 Billboard No. 1 songs, including Beyoncé’s “Irreplaceable,” Rihanna’s “Rude Boy,” and Katy Perry’s “Firework.” They received two Grammy awards for their work on Ne-Yo’s “Miss Independent” in 2008 and Rihanna’s “Only Girl in the World” in 2010.