Dance punk trio Klaxons are among several names now confirmed to join the line up at this year's Heineken Open'er Festival in Poland.
The festival appearance will be the London group’s first date of the summer as they prepare for the forthcoming release of their eagerly anticipated second album.
Also added to the line up are the two times Grammy Award winning Ben Harper and Relentless7, Australian electro duo Empire of the Sun and Jewish reggae artist Matisyahu.
They will be joining a bill that already features the likes of Pearl Jam, Kasabian, Massive Attack, Hot Chip, Pavement, The Hives and Gorillaz Sound System.
Click here for the Heineken Open’er Festival line up.
Heineken Open’er Festival 2010 will take place at Gdynia-Kosakowo Airfield in Gdynia, Poland on 1-4 July.
Tickets are on sale now with four-day tickets costing 350 PLN or 360 PLN with camping.
Click here to buy Heineken Open’er Festival tickets.