This 3-album set by the Monks of Solesmes includes the moving Gregorian chants and prayers for the night before Jesus' Passion, when he gave the "mandate" to love one another as he has loved us and includes Ubi caritas and Pange Lingua and the two Gregorian chant offices of Maundy Thursday-the Office of Tenebræ and the Ceremony of Foot-washing. Tenebrae of Good Friday includes all three nocturnes of the office of Matins and the antiphons and psalms of Lauds the Good Friday liturgy of the hours, sung in the dramatic style appropriate to the night before the Savior's Passion. Since 1833, the research and study of Gregorian Chant by the Monks of the Abbey of St. Peter in Solesmes, France, has focused on making this sung form of prayer the finest possible offering for God, to whom it is addressed six times a day at the Abbey.