There are so many ideas packed into the texts of Lux Aeterna that it’s hard to know what to include. But since the main juxtaposition is that of light vs. darkness, I thought it would be interesting for my second essay on this masterpiece to look at other pairs of opposites before I regretfully move on to other pieces in our concert. (Next week: the deep inner meanings of “Zip-A-Dee-Doo-Dah.”)