Mix Challenge

So, I've collected some bits and pieces of information regarding some production ideas and ideals.
If you have anything to offer please post link.
I'll start with this one.

I still struggle with many aspects of understanding, but this seems to be as important as any, if you can't hear what your playing with, you'll end up fighting you track.

https://en.m.audiofanzine.com/getting-s ... -gain.html

https://www.gearslutz.com/board/newbie- ... fuson.html