Quote Originally Posted by Konachibi View Post
It is called Prologue. However I mentioned in an earlier post, not all FF games feature it, it's a tune more common to FF games with a classic 'swords and sworcery' style, other FF's like FF3/6, 7, 8 and 10 don't seem to feature it as the classic orchestra sound wouldn't match the futuristic/steampunk styles these games follow.

Earlier link

It gives some musical examples of what I mean.
The tune is indeed in those games, in the endings. You posted the "Main Theme" of each, which is different for every game in the series.

Here's VI: http://www.youtube.com/watch?v=yahHXo3f3dE&t=4m10s
VII: http://www.youtube.com/watch?v=lgb6peaKCSc&t=3m30s
VIII: http://www.youtube.com/watch?v=kjpWQI0jAlI

I could have sworn I heard it during some ending part of X too, but I'm having trouble finding it on the OST.