Rightly or wrongly, our limitless online world enables us to access sounds as varied and unpredictable as Donald Trump soundbytes, making true uniqueness hard to find. Indian metallers Bloodywood sensationally achieved this by mating metal with their native culture, and so it is with Alien Weaponry. The best of this third album again feeds from the outfit’s Māori ancestry, the diminishing use of native tongue and traditional music cleverly revived and reformed into metal. In other hands, such disparate elements would produce only jarring disconnection, but Alien Weaponry’s fusion of rage, culture and melody meshes so effectively you could catch sharks in its net. Mau Moko is an understandably warlike assault, riffing on the gruesome historical story of two Māori heads being take...