This might be interesting for all those who want add more depth to the mix and separate the frequencies of the instruments, vocals and synths much more and in a much cleaner, more realistic way.
Lots of you might already have mastered the skill of creating a vital and structured stereo panorama - the skill of placing instruments and other signal sources alongside the x-axis between the left and the right side to get a clean mix.
But even with a well-structured panning of the sound sources between the left and the right side, the final soundtrack might still sound kinda flat.
So, a