So you've tracked a number of songs, you're happy with the result and ready to move on into sending the tracks to your mixing engineer.
Before we do anything else, let's make sure we don't hinder the process with unnecessary puzzles, such as encrypted track names, clipped wavs, unannounced tempo changes, or shuffled track order.
I've made a short checklist about the things I like to see when starting a mixing project. Now, I'm sure all engineers have their personal preferences regarding track naming, but the list can be used as a general guideline on how not to make a new enemy.
Download the pdf ( https://goo.gl/J8q14e ), see if you can tick all the boxes and ask your mixing engineer of choice about how you can make their life more tolerable. :)