What about this “holographic” analog / tube audio sound? What’s up with that?

Interested in learning more about why vacuum tube audio matters? What’s the big deal? What’s so desirable? Why do some think it sounds so good?

Here are a couple of articles on this topic that address the “scientific” aspects. (Hint: it has to do with distortion… yeah, I know, that sounds “bad”, but it’s not really…)