That Adele CD is sadly typical.Color me not so impressed with pros in recent years either. Here is the view of an Adele recent release. Sounds about like you'd expect too. A shame. Definitely pros.
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Here is the same thing with the level reduced 2 db so you can see how flat the tops and bottoms are. I can do much, much better being a total amateur. And you know what, I bet being Adele it would have sold just as well only with improved sound quality. I don't think the general reaction would have been, 'this new Adele sucks, doesn't even make my ears ring, and I can hear her voice too much".
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Perfect Declipper reconstructed about 6 dB higher peaks: