Black Sabbath Dehumanizer Demos Info

The road to the 1992 Dehumanizer album was far from smooth. Before the final lineup solidified, the band went through several iterations during the writing and demoing phases:

If you are looking to track down a specific version of these demos, I can help you identify: Which is on the track (Dio vs. Martin)? Which drummer is playing (Powell vs. Appice)? If the track is an official bonus or a rare bootleg ? black sabbath dehumanizer demos