A few months ago, a chorale sang this song in church. It's a very beautiful song, but I don't know the title. I do know this line from one of the verses (I think it's the 2nd verse): "If I should ever doubt your love, my only prayer would be to keep that/Your rugged wooden cross etched into my ...

I'm not sure if this is what you're looking for or not, but thought I'd post it in case.

http://www.worshipmusic.com/32619.html