When they started, there was no such thing as heavy metal and it feels like the whole genre is based on 'Black Sabbath'. It may not always have sounded the same, and it's gone through a lot of changes, and there's a lot of really interesting metal that sounds like 'Black Sabbath'. But it feels like they were probably the first with the idea that this dark, heavy music could be the whole trip.
Trademarks
Thick, huge beard, and eyes always covered with sunglasses
