We have a list of things to consider before you hand them over to your mastering engineer but my friend and colleague, Sigurdór Guðmundsson, did an extended list with some great additional points. Head over to his site and get inspired!

http://siggidori.wixsite.com/skonrokk-studios/single-post/2017/01/26/10-mixing-tips-for-you-to-consider-when-youre-about-to-finish-up-a-mix

, 10 (or 11) tips before sending your files of for mastering, Saintpid Mastering

Skonrokk Studios