Main theme

The Main Theme of a game in the series refers commonly to the theme which is heard when moving around the World Map.

Final Fantasy
The main theme in the original Final Fantasy is simply called "Main Theme".

Final Fantasy II
The main theme in Final Fantasy II is simply called "Main Theme". Both main themes, those of the original Final Fantasy and Final Fantasy II were released together on the same compilation, Final Fantasy & Final Fantasy II Original Soundtrack.

Final Fantasy III
Eternal Wind is the main theme of Final Fantasy III. A vocal arrangement was included in the album Final Fantasy: Love Will Grow.

Final Fantasy IV
The main theme in Final Fantasy IV is simply called "Main Theme". It was included in the album Final Fantasy IV: Celtic Moon.

Final Fantasy V
The main theme in Final Fantasy V is simply called "Main Theme".

Final Fantasy VI
Terra's Theme is the main theme of Final Fantasy VI during the World of Balance. It is one of the most popular videogame tracks ever, with several rearrangements, both fanmade and official, produced over the years. It has been included as a rearrangement in the albums Final Fantasy VI: Grand Finale, Final Fantasy: Pray and Final Fantasy VI Piano Collections.

Searching for Friends is the main theme during the World of Ruin. It is first played after the player acquires the Falcon.

Final Fantasy VI
The main theme in Final Fantasy VII is simply called "Main Theme". It was included as a orchestraded arrangement in the album Final Fantasy VII: Reunion Tracks.

Final Fantasy VIII
Blue Fields is the main theme in Final Fantasy VIII. It features a xylophone playing the central melody, this being the first time a synthetizer did not fulfill the role. The orchestrated rearrangement included in FITHOS LUSEC WECOS VINOSEC: Final Fantasy VIII did not include the xylophone, instead relying on a string section to play the central melody.

Final Fantasy IX
Melodies of Life is the main theme in Final Fantasy IX. The track is featured prominently in many stages of the game, including as a vocal performances during the ending.