You probably haven't ever heard of Stargate before, but you've definitely heard their music. Since 2006, the Norwegian producer duo has produced songs like Rihanna's Unfaithful and Don't Stop The Music (among many other Rihanna songs), Beyonce's Irreplaceable, and Wiz Khalifa's Black and Yellow.
With their debut credited single Waterfall, Stargate chose popular singers P!nk and Sia to bring the song to life. Check out the mesmerizing video for Waterfall below: