And now, for something totally different. I will admit that I am experimenting right now with different types of writing -- I've already mentioned the need I feel to learn to address the primary sources rather than the secondary.  I particularly feel this need when working with pieces of music for performance that relate directly to the lectionary text of the day.  So, all last week, I worked on practicing  just that by addressing the text of one of the songs that I sang last Sunday in church.  That text was drawn from Psalm 27, as set by Frances Allitsen in the sacred parlor room classic, "The Lord is My Light." For a three-minute-long…