The Swedish House Mafia are to become the first electronic act to headline the Milton Keynes Bowl.
The trio comprising Axwell, Sebastian Ingrosso and Steve Angello will host a nine-hour dance event at the venue this summer.
As well as ripping it up themselves, they'll be joined by a swathe of special guests too.
Also on the bill will be the tallest man in dance music Calvin Harris, Radio 1 ledge Pete Tong, fellow Swede Alesso and Madeon, the child dance producer from France.
Tickets start at £49.50, with a special VIP package at £199.