Two new IDs were played, supporting the promise of new music. Despite this, 43,000 people attended the Tele2 Arena and watched their first show in since Ultra Miami 2018. This affected a higher estimated of 35,000 of the 120,000 attending the Tele2 Arena over the three days. Two days before the opening show, pilots of Scandinavian Airlines when on strike over pay. On April 10, 2019, it was announced that Swedish House Mafia would close the world's biggest EDM festival, Tomorrowland, during the summer of that year, with the group also announcing a one-day residency, the preceding Friday, at Ibiza's Ushuaïa night club as part of their tour. At the end of the month, following another successive timer and billboards appearing in respective cities, Swedish House Mafia announced they would play Tinderbox, Stavernfestivalen, Frequency Festival, and Creamfields as part of their tour, whilst February 2019 saw Ultra Europe, Ultra Korea, and Lollapalooza added to the list. In November, billboards located in Mexico City teased a show in the city, at the end of a second timer, the group announced they would play at Foro Sol on May 18. The one night event was upgraded to three the following week due to high demand. That day the group held a press conference which they revealed that a worldwide tour would occur the following year and their first stop would be Stockholm's Tele2 Arena.

In October 2018, a timer appeared on Swedish House Mafia's official website which was set to end on October 22. The 'One Symphony' will be released on New Years Day 2022. The song was composed by Jacob Mühlrad and would be one of the main songs of the tour. On the first night of the tour, Swedish House Mafia premiered a new orchestral version of their 2010 hit ' One'. The tour kicks off at Stockholm's Tele2 Arena on May 2, 2019.

In August 2018, Axwell Λ Ingrosso announced that they'd be going on hiatus to focus on the reunion tour. Īfter months of speculation, the tour was teased by Axwell Λ Ingrosso during a show in New York on May 27, 2018, and was confirmed by Steve Angello later in June in an interview with Sydsvenskan. Named after their 2011 single, the tour was a follow up to the group's reunion at Ultra Miami in 2018. The Save the World Reunion Tour is a 2019 reunion tour by Swedish supergroup Swedish House Mafia.

2019 reunion tour by Swedish supergroup Swedish House Mafia Save the World Reunion Tour Arena and Festival tour by Swedish House Mafia

Swedish house mafia 2019