Axwell Λ Ingrosso is a Swedish musical group consisting of former Swedish House Mafia members Axwell and Sebastian Ingrosso.They made their performance debut at the 2014 Governors Ball Music Festival in New York City in June.\r Swedish House Mafia was a Swedish electronic dance music trio consisting of disc jockeys and producers: Axwell, Steve Angello, and Sebastian Ingrosso. The group officially formed in late 2008. The supergroup placed at number ten on the DJ Magazine Top 100 DJ Poll 2011 and have been called "the faces of mainstream progressive house music." In the DJ Magazine Top 100 Poll 2012 they were ranked at number twelve. On June 24, 2012, the group announced via their website that they would split up after embarking on "One Last Tour," which ended at Ultra Miami 2013 on March 24, 2013.