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The Welsh indie icons may know they are closer to the end than the beginning on their 15th studio album, but in amongst personal reflections on time passed, they remain as politically sharp as ever.

Despite becoming one of the biggest metal bands around, Mastodon manage to keep much of the same edge as an underground band.

A dizzying display of post-hardcore tinged no wave that scrunches up your senses and then obliterates them for good measure.