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) that version to the conductor, who premiered it in New York with the NBC Symphony Orchestra. In setting it to the liturgical Agnus Dei, a part of the Mass, Barber changed the music only a little. As with the other arrangements of "Adagio for Strings", it was published by G. Schirmer. Graham Olson describes the composition for Allmusic. After reflecting the history and pointing out the "Adagio"s associations with mourning, nostalgia, love and passion, qualified as "sentimental Romanticism", he writes about the choral setting: "Barber brought to the surface the work's sense of spirituality." He observes similarities to works of