Gothic chant of the early Organum Era. (School of NotreDame) Title: Benedicamus Domino for Two Voices Service: Mass for the Nativity of the Virgin. Composer: Leoninus Performers: Ensemble Organum, Director: Marcel Peres Album: École De NotreDame (XIIIe siecle): Messe De La Nativité de la Vierge Notable is the richly eastern fragrance introduced by Master Lycourgos