Exciting new confirmations for this year's Open'er festival! Folliowing the recent announcement that Jack White will be making a headline appearance, the Polish festival has now confirmed that Chromeo, Jagwar Ma, MØ, and Royal Blood are set to play at the event.

Electrofunk duo Chromeo will be promoting their new album White Women (out earlier this week via Last Gang), while Danish artist MØ is certain to play some gems from her debut studio album No Mythologies To Follow.

This new wave of announcements follows the previously confirmed names of Darkside, Banks, Haim, Foals, Interpol, Lykke Li, The Black Keys, Afghan Whigs, Warpaint, and many more.

Early bird tickets are priced at 96 euros, but after these run out they'll be costing 132. For further info on the festival go to their official website.