I'm not sure, but the reprint words it all a little differently, perhaps an errata:
http://vgmdb.net/db/covers.php?do=view&cover=16389
Original phrase by Nobuo Uematsu. It could be based on a musical theme or sentence that was further arranged by Sekito.
http://vgmdb.net/db/covers.php?do=view&cover=135935
Seems to have been corrected from Track 31 to Track 26&7