Say you were building your own mini-FF game and decided to use tracks from the whole series, for the following elements, choose a track from each game to fill this quota. You are only allowed one track per game though and you can't use sequels or spin-offs.
Battle Theme
Boss Theme
Final Boss Theme
Town Theme
City/Castle Theme
Mountain/Volcano Theme
Forest/Swamp Theme
Ocean Theme
Plains Theme
Airship Theme
Supernatural/Otherworldy Theme
Final Dungeon Theme