Agnus Dei (liturgy) Agnus Dei (liturgy) 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 Lamb of God sung or recited during the fraction of the Host. The Syrian custom of a chant addressed to the Lamb of God was introduced into the Roman Rite Mass by Pope Sergius I (687–701) in the context of his rejection of the Council of Trullo (692), which was well received in the Byzantine East and called the Quinisext Council, but
Sant Climent, Taüll the Carolingian Renaissance. The Alpha, Omega and the halo around Christ's head can be seen in both the Romanesque and Byzantium age and in the Catacomb of Comodilla. Sant Climent de Taüll has many mural paintings; however, the main and most famous mural painting is located at the central apse and is of Christ in Majesty within a mandorla. This has now been moved to Barcelona and replaced by a replica. In the lower part of the second triumphal arch appears a figure of the Agnus Dei contained in a circle with a blue background. The Agnus Dei is a