Original hymn tune for 10th century Latin hymn text "Ad te Rex summe" in plaintive, yet hopeful setting. Stanza 1: Unison; Stz. 2: SATB; Stz. 3: Unison with opt. congregation and soprano descant using a portion of Gloria Ordinary text, "Domine Fili unigenite." Ash Wednesday, Good Friday Tenebrae.