Transfiguration Sunday. Famous Agincourt hymn, DEO GRACIAS captures Medieval and early Renaissance flavor of text and tune. Stanza one begins as chant. Later stanzas set as organum in open fourths, fifths, and brief canons. Ostinato bell figures and shimmering bell tree enhance mood. Reasonable ranges. High school or adult church choir. SATB, Handbells (2 Octaves—7 Bells), opt. Bell Tree. Instrumental parts included on score.