Lamb of God modern Roman Catholic Christology, Karl Rahner has continued to elaborate on the analogy that the blood of the Lamb of God, and the water flowing from the side of Christ on Calvary, had a cleansing nature, similar to baptismal water. In this analogy, the blood of the Lamb washed away the sins of humanity in a new baptism, redeeming it from the fall of Adam. In the Mass of the Roman Rite and also in the Eucharist of the Anglican Communion, the Lutheran Church, and the Western Rite of the Orthodox Church the "Agnus Dei" is the invocation to the
Agnus Dei (Barber) the Renaissance by Palestrina and Gabrieli. Violinist Phillip Ying says about the quartet movement: "The score looks so clear, like a counterpoint exercise, and the power of it is in the economy of means." "Agnus Dei" is in B-flat minor, marked "molto adagio" (very slow) and "molto espressivo" (very expressive) and in the beginning "pp" (pianissimo, very soft). The initial time is 4/2, but some measures are expanded to 5/2 and 6/2 throughout the piece of 69 measures. The music is set for soprano, alto, tenor and bass (SATB); all four parts are sometimes divided; measures 12 to 14 call