It's been a while, but it's time for another Riot Act Reviews. We're taking one big release from the music world and focusing all of our attention on it here, and Steve is delighted to be joined by Guardian and Metal Hammer journalist and full time Cult of Luna obsessive Matt Mills to pick through the bones of the latest Machine Head album; Of Kingdom and Crown.

We're ten albums into what has been a rollercoaster of a career for the Oakland metal legends. Whilst albums like Burn My Eyes and The Blackening are well established classics at this point, it's been a mixed bag ever since, with folk punk, rap metal and radio rock all being dabbled with over the past fifteen years. There's been plenty of line up changes and controversial booking decisions made as well, and at this point none of us are really sure what to expect from a new Machine Head album; will we get the muddled, lengthy Catharsis, or is it really "The Blackening part II" return to form that Of Kingdom of Crown has been talked up as in the build up to the release of the record?

We think we've got the answers...

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