I don't know if The Open Mind have been mentioned yet, but they definitely fall into the category of proto-heavy metal.
I've only heard a couple of tracks by them, but check this out - still incredibly fresh! :
Here's their wiki page:
The Open Mind - Wikipedia, the free encyclopedia
I've only heard a couple of tracks by them, but check this out - still incredibly fresh! :
Here's their wiki page:
The Open Mind - Wikipedia, the free encyclopedia