Mickey, that's a powerful and good song - and (speaking as a lapsed Catholic, I know) I think only a purblind fool could call it blasphemous.
I found it moving and thought-provoking to the point where I questioned my own lack of faith, which itself has more to do with the intolerance and spin imposed on the teachings of Christ the man by St Paul and his successors than anything else.
And I can't wait to hear it, as soon as some geezer with a spanner and an oily rag has fixed the blicky.