Pigeon Detectives have been revealed as a last minute addition to the Leeds Festival line up.
The Leeds band will perform on the Dance To The Radio stage at around 8.50pm on the opening night (Thursday, 21 August).
But it has been confirmed that they will not play at Reading Festival, despite rumours to the contrary.
A spokesman for the band said: "The band are jumping up to support their label mates and friends of the label and are to play a half hour set at Leeds, but not Reading."
Broken Records, Wintermute, The Wallbirds, Dinosaur Pile-Up and Grammatics are among the other acts playing on the Dance To The Radio stage, the label run by ForwardRussia!.
The stage, which showcases new music from the Yorkshire area, is situated on the site of the BBC Introducing Stage on the Thursday night.
Leeds Festival takes place this weekend (22-24 August) at Bramham Park, Leeds.