Wacken – the world’s biggest metal festival and a place for only the best in the genre. But its Metal Battle is open to emerging bands too, and PopXport has the 2015 winners. In at number 4: UK’s Metaprism.

More from this edition of PopXport: http://www.dw.com/en/popxport-the-german-music-magazine-2015-11-20/e-18810214-9798