Bloodstock Open Air (B-O-A) is the UK’s biggest independent METAL festival. Held at the picturesque location of Walton on Trent in Derbyshire, B-O-A has won the hearts and minds of fans of heavy ROCK AND METAL by consistently showcasing the strongest metal line up on UK soil.<br /><br />You can expect some 20,000 metal heads descending on Derbyshire.