As Mary Coredemptrix leads us to participate ever more deeply in the Eucharistic Sacrifice of her Son, may She also enable the Church to enter more lovingly into the daily commemoration of the many feast days in the Liturgical Year: ... these devotions should be so drawn up that they harmonize with the liturgical seasons, accord with the sacred liturgy, are in sane fashion derived from it, and lead the people to it... (Constitution on the Sacred Liturgy, Sacrosanctum Concilium, 13.) through such well-known sequences as the Lauda Sion, Veni Sancte, Spiritus and Stabat Mater, it is hoped that...