And so the Metallica riff machine rolls on! forty years after their debut album Kill Em All (1983) laid the blueprint for the Thrash Metal genre, they return with record number … well that’s kind of up for debate depending on how you view their discography, and whether you count live albums, covers album and erm collaborations. But 72 Seasons (Blackened Recordings Inc) is here, their latest artistic statement four decades into a career that has seen them rise from the US West Coast underground, to become the most successful Heavy Metal band of all time. Continue reading