People talk a lot about subtractive EQ (Getting rid of frequencies on one instrument so that the frequencies on another can cut through.)...

This is a simple and classic tip, sidechain compressing your kick to your sub bass is a great way to achieve a clean mix and get extra...

Always check your mixdowns and masters in mono, I usually check before I mix/master and after I mix/master as well as after doing any...

Cutting highs in your vocal reverbs can help cut down on simbilance.   Putting a De esser before the reverb is another good option also....