Go to this site and there are midis to a lot of Canadian songs including the Island Hymn. It's to the tune of God Save The Queen. Hope this helps.
Lillian from Charlottetown, PEI
Forgot to give you the site here it is.
http://members.shaw.ca/tunebook/index.htm
Sheet Music for the Scout Hymn
Marines' Hymn
The author of the music is unknown. The words date back to the 19th century.
Try youtube.
finlandia hymn
On line
This is called the Entrance Hymn.
http://www.sheetmusicplus.com/title/Fantasy-on-a-Hymn-by-Justin-Morgan/19259707
Possible anwers would include, but not be limited to a: hymn, spiritual, anthem, canitcle, carol, chant, chorale, doxology, processional, psalm. and/or requiem.
It might very well be considered a Catholic hymn as Cary Landry is a composer of Catholic liturgical music.
http://en.wikipedia.org/wiki/And_did_those_feet_in_ancient_time
the entire Final Fantasy X original sound track including the hymn of the fayth can be found on itunes there is also music from almost every other Final Fantasy as well.