Haha. It depends what I'm making the mixed tape for. I have different mixed tapes for different moods and label them as such. For example, I have a CD filled with angry songs and I labeled it, "Angry."
I also have mixed ballads CDs and mixed summer CDs and ect. And I rarely mix foreign music with English music.
But usually when I mix an English CD I have my newest songs interests on there and a mix of 90s, 80s, and early 00s music.

Always.
And regarding foreign music mixed CDs, I don't actually make those. I'll make mixed CDs of one artist, but I never mix them together unless it's like an mp3 CD where I can have 100+ songs.

I guess I'm just weird.