From VII to X-2...

VII
Aeris theme(especially when fighting Jenova,I almost cried,really)
Cid's theme as usual
Great Warrior,never saw Nanaki that emotional
VIII
What else?Eyes On Me of course.
IX
Melodies Of Life
You Are Not Alone
-both my fave songs the music have never been better
Loss Of Me
Freya's/Burmecia's music so sad...
X
To Zanarkand
Someday The Dream Will End(if it's not a song name correct me it's the song at Macalania Lake when Tidus and Yuna kissed)
Suteki Da Ne
X-2
1000 Words
Real Emotion
Eternity
-What else can there be?