Music Link (for device reading) Download Score Litany. The words are slightly different, but the tunes are identical here. Exultet Final liturgy of the Sacred Paschal Triduum. Related Featured Music Mass XVII (For Advent and Lent) Featured in Sacred Paschal Triduum [download-button] Music Types: Gregorian Chant.Music Tags: Triduum.Suggested Uses: Propers (Introit, Gradual, etc.).Liturgical Seasons: Easter, Lent, and Paschal Triduum.