After not playing 1.0 due to obvious reasons I have found this little gem from it.

http://www.youtube.com/watch?v=3tte-Dmmw6o

Square if you change anything for this encounter in 2.1 DO NOT CHANGE THIS. As epic as the Titan music is it pales in comparison to this. Unless you get some copyright issue(for obvious reasons) this is the one thing you must not change for this fight.