Don't deny it ya chumps, there is no better Normal Battle Music in any FF.
(SPOILER)

[YOUTUBE]


The Giant of Babil is on the loose!
We're all doomed!
But then all the forces on the world and below it assemble!
And this plays
(SPOILER)



Which reminds me...
(SPOILER)



It takes a few minutes to get going because the boss fight itself takes a few minutes to start but the final boss theme for FFXII is one of the best in the series.
(SPOILER)



The title itself is even perfect.