Would you believe there are actually people out there who don't know Bolt Thrower?
Here's the titletrack off their first album which is extremely hard to come by (I'm not even sure it's out on CD):
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It's not as polished as their later works but it has an aggressive intro and the trademark rolling guitar/drum interplay thingy. And the vocals are quite a bit harsher than in their later works.
Aaaah, the warmachine keeps rolling.....
Aah, to see the lovely Jo Bench once more...... (oops, did I say that out loud?)