Swedish House Mafia is a Swedish DJ and production trio consisting of Axwell, Steve Angello, and Sebastian Ingrosso. The group was formed in 2008 and officially announced their break-up in 2013. Despite their short-lived career, Swedish House Mafia became one of the most successful electronic music groups of all time. They achieved mainstream success with their hit single “Don't You Worry Child” and went on to headline some of the world's biggest music festivals, including Coachella and Ultra Music Festival. In 2018, they reunited for a tour that included sold-out shows at Madison Square Garden and a performance at Ultra Music Festival. Today, Swedish House Mafia is considered one of the most influential electronic music groups of all time.