Matt Berninger, Kneecap, & More Join Open'er 2026 Lineup

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The Open'er 2026 festival lineup grows with the addition of acts like Matt Berninger and Kneecap. Learn more about the upcoming event in Poland and who else will be performing.

It’s a new year, so that can mean only one thing: more acts for Open’er 2026!

The Polish event adds five acts to its lineup including Matt Berninger and Kneecap. Other additions are songwriter LP, Martin Garrix, and DJ ¥ØU$UK€ ¥UK1MAT$U. They’ll join headliners Nick Cave & The Bad Seeds, The Cure, The xx, and more. This year’s festival is set for 1st-4th July at Gdynia-Kosakowo Airfield in Gdynia.

Get ready for Open’er 2026 with tickets available on the festival’s website. Stay tuned for more lineup announcements and check out the action from last year’s event.

Published on 28 January 2026 by UKFG

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