It's the time when this blog prepares to hibernate until the new year, but before I go, I just wanted to briefly contemplate the wonder of single day songs. I suppose the most used one day song is 'Happy Birthday to You,' though this is a bit of a cheat. It might only apply to one day for any individual, but around the world it is being used each and every day. A more realistic choice is 'Auld Lang Syne', traditionally sung on New Year's Eve (though I have heard it sung at other Scottish celebrations, so it doesn't quite make it). Then there are Christmas carols. Most are certainly not one day songs, designed for the Christmas season (though strangely usually sung in the Advent season that precedes it), though a few should be according to the words - for example 'Hodie, Hodie, Christus Natus Est' (Today, Today, Christ is born) - in practice, though, they are not limited to the one day. Perhaps the most outstanding example is the carol with th...