"We needed to go back to the origin of doom, back to the basics of it all."
Black Sabbath guitarist rips solo on Swedish doom vets' new cut
"None of us were really happy with the sound of that album," he says in new clip
Find out what riff beat out Black Sabbath's "Symptom of the Universe" and "Children of the Grave"
Clip appears in legends' new documentary 'The End of the End'
New clip comes from legends' upcoming documentary 'The End of the End'
New clip comes from upcoming doc 'The End of the End'