Agnus Dei may be repeated as often as necessary, especially in concelebrations, where it accompanies the Fraction; it is desirable that the people should participate in this song, as least by the final invocation. 35. The Lord’s Prayer is best performed by the people together with the priest.22 If it is sung in Latin, the melodies already legitimately existing should be used; if, however, it is sung in the vernacular, the settings are to be approved by the competent territorial authority. 36. There