This is the simplest starting point I know of in mixing. Very old, very basic but gets a novice on a good start .. a lot of the other links on this site are great learning tools too, like the page on Compression (what it does), etc.
Surprised it's still alive after all these years.
http://audiominds.com/mixing.html

It's a site I worked on with Mac after we first met and it was left in the dust ever since but is a treasure trove of Mac's knowledge and 'Mac-isms'.
He contributed a ton of the content.


I do not work here, but the benefits are still awesome
Make your sound your own!