He treats the work as a study in shifting colors, emphasizing the contrasting textures of each strophe, from harplike passages to rich orchestral sonorities.

Their well-attended and enthusiastically received concert Tuesday at the Library of Congress showcased their signature chiseled sonorities and sincerity of delivery.

The first movement begins with an Adagio introduction, flickering with piercing chords and sustained sonorities; this leads to a bustling, densely contrapuntal Allegro.