Battle theme

Almost every Final Fantasy has a normal battle theme.

Final Fantasy I
The normal battle theme of the first Final Fantasy is "Battle".

Final Fantasy II
Final Fantasy II's Battle Theme is called "Battle 1".

Final Fantasy III
Once again the Battle Theme is titled "Battle 1".

Final Fantasy IV
Final Fantasy IV's Battle Theme is known as "Fight 1".

Final Fantasy V
Final Fantasy V's Battle Theme is know as "The Battle".

Final Fantasy VI
Final Fantasy VI's Battle Theme is known as "Battle Theme".

Final Fantasy VII
Final Fantasy VII's Battle Theme is known as "Fighting".

Final Fantasy VIII
Final Fantasy VIII's Battle Theme is known as "Don't Be Afraid".

Final Fantasy IX
Final Fantasy IX's Battle Theme is known as "Battle 1".

Final Fantasy X
Final Fantasy X's Battle Theme is known as "Normal Battle".

Final Fantasy X-2
Final Fantasy X-2's battle theme is called "YRP Battle 3".

Final Fantasy XI
While Final Fantasy XI doesn't technically have a "main" Battle Theme, a theme thats heard often during encounters outside of dungeons, is known as "Battle Theme".

Final Fantasy XII
Final Fantasy XII does not have any battle music outside of boss fights.