Black Sabbath album features Osbourne for 35 years attempts to do. Indeed, it's a neat summation of what every legendary band who've not just reformed, but also re-entered the studio over the last decade or so, have attempted to do. It's just that most of them haven't been as open about it as Sabbath, tending to couch their new material in talk about progression and suggesting they are moving forward into hitherto-uncharted musical territories. In fairness, producer Rick Rubin made a game attempt to suggest that the intentions behind 13 were "not retro", alas a little undermined by the fact that the next thing he said was: "If this had come out in 1972, I think people would have loved it." Nonplussed, bassist and lyricist Geezer Butler revealed that, in the studio .g
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