Newcastle band Little Comets will kick off Leeds Festival a day before the official start of the event.
They will be joined by Various Cruelties, Scars on 45, China Rats and Likely Lads.
The arena will open at around 5pm on August 23 and the following bands will be appearing.
On the Friday, Foo Fighters will headline the Main Stage. The Cure will play on Saturday and Kasabian on Sunday.