Get ready for Open'er '25! The biggest Polish festival adds 11 great new acts to this year's edition, including Gigi Perez, BigXThaPlug, Antony Szmierek, Postman and the Real Fake Band, as well as a great set of local artists - Jan-Rapowanie, Kuban, IGO, Hubert., BSK, Cinnamon Gum and Yana.