Part VII. The Length of Liturgical Chant

22. It is not lawful to keep the priest at the altar waiting on account of the chant or the music for a length of time not allowed by the liturgy. According to the ecclesiastical prescriptions the Sanctus of the Mass should be over before the elevation, and therefore the priest must here have regard for the singers. The Gloria and the Credo ought, according to the Gregorian tradition, to be relatively short.

23. In general it must be considered a very grave abuse when the liturgy in ecclesiastical functions is made to appear secondary to and in a manner at the service of the music, for the music is merely a part of the liturgy and its humble handmaid.