Though Black Sabbath is steeped in lore, what often gets left out is just how funky the pioneering heavy metal act is.

And of course, Hammett says Black Sabbath’s first three albums “are like gospel” to metalheads. Specifically, the Exodus co-founder lists the 1975 song “Symptom of the Universe” as one that changed ...

Black Sabbath isn’t the only band to cover the tune, though they are certainly among the oddest. John Lennon, Conway Twitty, ...