a. the proclaiming of the lessons, epistle, and gospel; the universal prayer or prayer of the faithful;
b. as befits the circumstances of the place, the chants of the Ordinary of the Mass, namely, the Kyrie, Gloria, Credo, Sanctus-Benedictus, Agnus Dei, as well as the introit, offertory, and communion antiphons and the chants between the readings;
c. acclamations, greeting, and dialogue formularies, the Ecce Agnus Dei, Domine, non sum dignus, Corpus Christi at the communion of the faithful, and the Lord’s Prayer with its introduction and embolism.