The period following the release of the "Seventh Star" album, which was essentially a Tony Iommi solo project, is arguably the most interesting period of Black Sabbath. Not perhaps from a musical perspective, but as far as the history of the band is concerned, there is a lot of intrigue between the mid 1980s and the mid 1990s.
When Glenn Hughes was replaced by Ray Gillen on the "Seventh Star" tour, the band wrote and recorded the follow-up album, "The Eternal Idol", essentially without a lineup. The album with Gillen's vocals still exists in demo form. However, when Gillen left, Tony Martin was brought in, and he re-recorded the vocals.
Martin went on to front four more Black Sabbath albums; however, between the third and fourth albums was "Dehumanizer", a reunion of the "Mob Rules" era of Black Sabbath with Ronnie James Dio. Read more about this era of the band here and here.
Click here to read more about the Tony Martin era of Black Sabbath.
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