It's the 10th anniversary of SW4 and the party is looking to be huge.
This London festival happens 24th - 25th August 2013 on Clapham Common.
Headliners include Carl Cox and Armin Van Buuren
There's a preview show from Harlem Shake's Bauuer on Saturday 9th March at XOYO.
Many more names are to be announced in the next few weeks but tickets are now available.