Live heavy metal specialists Devildriver and Municipal Waste have been confirmed as playing next year's Bloodstock Open Air Festival.

They'll sweating alongside headliners Lamb Of God and King Diamond, plus Amorphis, Dark Funeral, Anthrax, Accept, Firewind, and Fozzy. A third, Sunday night headliner and many more bands are still to be revealed.

Bloodstock 'Early Bird' tickets are going fast! Pick yours up at http://www.bloodstock.uk.com/shop/products/3-day-tickets-1-1 for the total bargain price of 100 english pounds (plus booking fee) for a four-day weekend pass. This is a limited time offer and we're reliably informed that they go pretty quick.

Bloodstock takes place at Catton Park in Derbyshire on 8-11th Aug 2013.