My vote would be for:

Coronach
(Words and music by David Palmer - with a little help from Shakespeare)

Grey the mist, cold the dawn;
Cruel the sea and stern the shore.
Brave the man who sets his course
For Albion.

Sweet the rose, sharp the thorn;
Meek the soil, proud the corn.
Blessed the lamb that would be born
Within this green and pleasant land.

Brown furrows shine beneath the rain-washed blue.
Bright crystal streams from eagle mountains pour.
Fortune has smiled on those who wake anew,
Within this fortress nature built to stay the hand of war.

With the wind from the east
Came the first of those to tread
Upon this stone, this throne of kings;
This realm, this new Jerusalem.