The writing & works of
The Marian antiphon “Alma Redemptoris Mater” is sung at the end of the canonical hour of Compline from the first Sunday of Advent until after second Vespers of the Feast of the Presentation of Our Lord, February 2. The text is attributed to Blessed Hermannus of Reichenau (1013-1054), a Benedictine monk and scholar of the 11th century.
The Church year starts not with January 1, but with the first Sunday of Advent, a period anticipating the Nativity of the Lord. Our salvation is at hand, and we must prepare for it with a season of joyful anticipation, and yes, some penance as well.