The Nightingale, attributed to the early Franciscan mystic and philosopher St. Bonaventure, is an extended and complex poetical composition telling the story of the dying day of this mysterious songbird. According to medieval legend, upon that fateful day the nightingale ascends the highest tree it can find, and from there pours forth a ceaseless torrent of passionate, ebullient song. In this transcendent singing, the motifs of love, pain, and bliss...