In the new VIP video I explain why chord inversion is useful and use the "epic" chord progression to demonstrate. The progression is called "epic" because it's used in many soundtracks/movies where something epic happens.
VIP users can check it out in the VIP video forum.
A former VIP video was moved to the public area. The video is below, but this link has the channel preset and a demo song for you to download and hear: Improved Wah Effect using only FL Studio effects