Let us never forget the Sacredness of the Holy Mass
Here are a few related quotes from Vatican Documents that can help us understand the Mass.
#18 …Yet the Eucharist “is too great a gift to tolerate ambiguity or depreciation.” It is therefore necessary that some things be corrected or more clearly delineated so that in this respect as well “The Eucharist will continue to shine forth in all its radiant mystery.”
#26 The mystery of the Eucharist is too great for anyone to permit himself to treat it according to his own whim, so that its sacredness and its universal ordering would be obscured.”
#70 … Let Priests celebrate “devoutly and faithfully the mysteries of Christ… according to the tradition of the church….They ought not to detract from the profound meaning…. Either through alteration or omission, or through arbitrary additions.
#86 Let all Deacons, then, do their part so that the sacred liturgy will be celebrated according to the norms of the duly approved liturgical books.
# 131 While the priest proclaims the Eucharistic Prayer there should be no other prayers or singing and the organ or other musical instruments should be silent.
Sacrosanctum Concilium (Constitution on the Sacred Liturgy)
#29 Servers, Lectors, Choir, they ought to discharge their office with sincere piety and decorum demanded by so exalted a ministry and rightly expected of them by God’s people.
#30 And at the proper times all should observe a reverent silence.
#120 The pipe organ is to be held in high esteem, … but other instruments may be admitted… only on condition that the instruments are suitable, or can be made suitable, for sacred use, accord with the dignity of the temple….
#121 … music composed which have the qualities proper to genuine Sacred Music,… The text intended to be sung must always be in conformity with catholic doctrine…