At Christmas, instead of a lot of pop Christmas songs, I have been listening to passages from Handel's Messiah" oratorio, including the powerfully beautiful Christmas-oriented "For unto us a child is born" based on the writings of the Prophet Isaiah, and the soaringly magnificent Hallelujah Chorus. To hear these, compared to everything else makes me ask if this was the pinnacle of human musical achievement? Will there ever be anything greater? An argument can be made for it at least this far. This oratorio, after all, is touched by eternity. We listen to this joyful piece today, nearly 300 years...