Donald McClarey at American Catholic posted a link to the following video of a choir singing “This is My Song,” a hymn based upon Jean Sibelius’s “Finlandia”; he also has the lyrics there:
[Youtube=http://www.youtube.com/watch?v=Cvz9PvczUMI]
My Dad used to play “Finlandia” as a chorale prelude before Mass. It’s been a long time since I’ve heard it.
Here is the Wikipedia page on all the lyrics sung with the melody:

