Out of Birmingham, England, two young bands melded to form one, and became immortal as a keystone of what became known as Heavy Metal! Markus and Ray delve into their use of "The Devil's Interval," and its role in Black Sabbath becoming an innovative band as the '60s and '70s mixed, at decade's end.

There are many factors in how it all happened, and had fate flipped a different switch or two, Sabbath might not have happened. It's why we cherish them, and so many others.

Listen to this cool episode, and then get caught up here!!!

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