“After this,” says Cyril, “ye hear the chanter inviting you with a sacred melody to the Communion of the Holy Mysteries, and saying, O taste and see that the Lord is good § 20..  This agrees with the Clementine rubric:  “Let the 33rd Psalm be sung while all the rest are partaking.”  In the Liturgy of S. James, while the Bishop is breaking the Bread and dipping in the Wine, the “Agnus Dei” and several Psalms were sung:  but of these there is no mention in the Clementine Liturgy or in Cyril.