This content is copyright of CelebMix.com. Source: Unsplash Heavy mental music fans across the UK can rejoice after the news of Metallica's double-header of gigs scheduled in the capital for next year. The legendary band, led by James Hetfield, will perform at the London Stadium in Stratford, home to West Ham United Football Club. Metallica made a welcome appearance at Black Sabbath's 'Back To The Beginning' show at Villa Park in Birmingham, wowing the crowds with their rousing support act for the late Ozzy Osbourne and co.