Bolt Thrower has perfected their own style of Medieval-ish melodic death metal, and they deserve to be heard because they do it better than anyone else.
Black Sabbath’s live history is patchwork at best. The record sounds great, everybody is doing their job, the secret weapon being Bill Ward and Geezer Butler.
There’s a pretty obvious stab at low-tuning, down’n’dirty rumble, not to mention a tuffness in Bruce’s voice that sounds more than a little over-intentional.