You don't need to guess when the dynamic range calculation gives you the answer! By the way, compression is "processing". If a track is heavily compressed, it does not make sense to speculate about anything else, because it completely distorts the entire recording .Well as mere mortals rather than record producers we can only guess what the problem is, @mtemur suggested too much processing, I'd agree with that. Did you compare the two versions of Grace Kelly's 'Swingin' and find significant differences?
As for your other example, you don't see that it is in fact exactly the same track? The only difference is that you are seing the video in one case and not the other. But the sound is strictly identical!
You can check out her website to confirm. These are not two different versions...
You incorrectly conclude "A good example of the commercially released version sounding broken in comparison." This is a prime example of how perception can influence our (well, in this case, your) hearing.
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