Whitman, of course:
After the dazzle of day is gone,
Only the dark, dark night shows to my eyes the stars;
After the clangor of organ majestic, or chorus, or perfect band,
Silent, athwart my soul, moves the symphony true.
(Photo: Ursa Major Rising by Phil Hart.)
This article available online at:
http://www.theatlantic.com/daily-dish/archive/2008/08/one-more/213310/

