Lamb of God sheep representing the apostles flanking the central Agnus Dei, as in Santi Cosma e Damiano, Rome (526–30). The Moravian Church uses an Agnus Dei as their seal with the surrounding inscription "Vicit agnus noster, eum sequamur" ("Our Lamb has conquered, let us follow him"). Although the depiction of Jesus as the Lamb of God is of ancient origin, it is not used in the liturgical iconography of the Eastern Orthodox Church. The reason for this is that the depictions of Jesus in the Orthodox Church are anthropomorphic rather than symbolic, as a confession of the Orthodox belief in the Incarnation
Missa L'homme armé (Palestrina) fimus mass gave new life to work. In the Sanctus, the tenor sings the L'homme armé melody beginning on F; on the jubilant text "Hosanna," the note values are diminished such that the structural function is hidden. Agnus Dei I continues to rise to the climax which is pitched 'G'. Agnus Dei II begins as if the cantus firmus is present on "A," but proceeds to a freely composed trio. Agnus Dei III places the now-familiar tune in extremely long notes sung by the highest voice. Beginning on "A", an indication instructing the soprano to "sing without ceasing" is present,