If anyone's still following this thread, the song is in a book called 'The World is Full of Smelly Feet' (another song of mine, based on the Last Supper, also in the same book) and is available from Kevin Mayhew Ltd at http://www.kevinmayhew.com/world-is-full-of-smelly-feet.html#.VngvkDY_XeQ
Not wanting to rain on anybody's parade, but please do note that the words (by myself) and music (by Noel Rawsthorne) are copyright.