20. Celes' Theme (Final Fantasy VI)
http://youtu.be/WoBn04lcNmo A sad and poignant piece of music that is most notably played when Celes attempts suicide, conveying her feelings of grief and hopelessness in an impressive manner. 19. Judgement Day (Final Fantasy VII)
http://youtu.be/mGHDXDI-DNc One of the best final dungeon themes in the series, sufficient to motivate players as they slog their way through to the game's final showdown with Sephiroth. 18. Someday The Dream Will End (Final Fantasy X)
http://youtu.be/AABvUTUTdcw A highly emotional theme that is able to convey both hope and sadness at the same time, serving as a wonderful accompaniment to some of the game's most important scenes.