Swedish House Mafia is a house music project by Axwell, Steve Angello, and Sebastian Ingrosso of Stockholm, Sweden. The group formed in 2008, and released their debut album, Until One, in 2010.
Swedish House Mafia released the single, "Save the World," in 2011. It reached number one on the U.S. Hot Dance Club Songs chart, which made it their second consecutive number one single following "Miami 2 Ibiza" in 2010.