The Prodigy are among the latest names confirmed for this year's Heineken Open'er Festival.
The twisted firestarters join a bill that already boasts Kings Of Leon, Arctic Monkeys and Moby, with New Zealand reggae and funk outfit Fat Freddy's Drop and singer songwriter Emililana Torrini also added today.
Other names on the line-up include Basement Jaxx, Placebo, Crystal Castles and Madness.
Click here for the latest Open'er line-up.
Heineken Open’er Festival 2009 will be held at the Baby Doly Airfield on the Baltic coast near the town of Gydnia, Poland.
Tickets are available now priced at €70 for a full weekend pass.
Over 100 acts will perform across four stages while the festival also boasts theatre, cinema and even a dedicated sports area.