Loathe, Death Angel and Primus are among the best new metal songs this week. Plus, vote for your favourite!

The 1970s were a decade of explosive growth in rock music as iconic metal bands defined the parameters of hard rock.

The outcomes for the protagonists also differ, as in “The Downward Spiral,” the protagonist shoots himself in the head, leaving behind a suicide note. In “MG Ultra,” the protagonist hallucinates ...