Triumph, all ye cherubim, sing with us, ye seraphim, heaven and earth resound the hymn: Salve, salve, salve Regina!
"She is all beautiful, all near to God. For she, surpassing the cherubim. Exalted beyond the seraphim, is placed near to God." John of Damascene, Homily on the Nativity, 9
he Immaculate Conception refers to Mary herself, and the beginning of her life in the womb of Christ's grandmother.