Before you say it, the one in GH is NOT the OSV, it is an arranged version of some of the songs from Fire Emblem Sword of Seals, I am looking for the orignal tracks from the game.

Example for the differences are in this rapidshare.
http://rapidshare.de/files/34332247/OSV_Arranged_differences.zip.html

Three tracks, each one there is the OSV and arranged.

I have a Gamerip of Fire Emblem 6 Sword of Seals,ill upload it ASAP