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Pope Saint Paul VI (3 April 1969): “Although the text of the Roman Gradual—at least that which concerns the singing—has not been changed, the Entrance antiphons and Communions antiphons have been revised for Masses without singing.”

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Views from the Choir Loft

What to Do with Musicam Sacram

Fr. David Friel · January 11, 2015

N THE ONE HAND, Musicam Sacram (MS) is a post-conciliar document, published two years after the close of the Second Vatican Council in 1965. On the other hand, it came two years before the publication of the revised Missal of Paul VI, which was promulgated in 1969. So, what should be done with it? Does it have any relevance or binding force today?

I received this question by email recently, and it prompted me to do a bit of thinking and researching. This is a difficult matter to address, and it is a question likely to elicit different answers from different authorities.

First, it should be established that MS is an “Instruction on Music in the Liturgy” published by the Sacred Congregation of Rites. An “Instruction” is a text that stands not so much on its own, but as a complement to another document. In this case, MS is meant as a companion to Sacrosanctum Concilium, the Council’s Constitution on the Sacred Liturgy. Thus, it is clear that MS is a document with a high level of authority.

Yet, while the document has never been formally abrogated, there are countless scholars and liturgical musicians who consider its teachings no longer applicable. The publication of the new Roman Missal in 1969, they believe, made MS obsolete. Is this true?

I would say not. After all, in the GIRM, which is a companion document to the revised Roman Missal, Musicam Sacram is cited 11 times. If MS had no binding force on the reformed liturgy, then these citations would not exist.

ERHAPS A BETTER approach, then, would be to say that certain specifics contained with MS no longer apply. For example, the former distinction between solemn, sung, and read Masses has not been retained in what we now call the Ordinary Form. Still, the general principles outlined in MS remain quite valid and very much in force.

Especially in the Ordinary Form, which allows for so many options and so much leeway, it is hard to make an argument against incorporating the principles of MS. If the principles of a more recent, non-authoritative document (such as Sing to the Lord) can be taken into account, who is to say, in the OF, that the principles of MS cannot also be taken to heart? To my mind, it seems quite laudable to apply the guidelines of MS to our present celebration of Mass.

If you are interested in a fuller treatment of this topic, there is something you should read that comes from an unlikely source. Available online is a TRANSCRIPT of five separate presentations given during the 2007 NPM Convention which (believe it or not) addressed this topic. The five lectures represent rather disparate points of view. Each lecture is worth reading, but I would say that the lecture by Dr. Ed Schaefer deserves special notice.

What to do with Musicam Sacram remains a thorny issue. Trying to reconcile, for example, the principle of “progressive solemnity” in SttL with the three-tiered structure of singing given in MS is difficult work. At the very least, the principles of MS must not be discounted outright. They should, instead, be welcomed—even studied—so as to improve our celebration of the sacred liturgy.

Opinions by blog authors do not necessarily represent the views of Corpus Christi Watershed.

Filed Under: Articles Tagged With: Authentic Liturgical Renewal Reform, Liturgy of the Second Vatican Council, Progressive Solemnity, Sacrosanctum Concilium, USCCB Sing to the Lord Document on Music Last Updated: January 1, 2020

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About Fr. David Friel

Ordained in 2011, Father Friel is a priest of the Archdiocese of Philadelphia and serves as Director of Liturgy at Saint Charles Borromeo Seminary. —(Read full biography).

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Corpus Christi Watershed

President’s Corner

    Music List • (2nd Sunday of Lent)
    Readers have expressed interest in seeing the ORDER OF MUSIC I created for this coming Sunday, which is the 2nd Sunday of Lent (1 March 2026). If such a thing interests you, feel free to download it as a PDF file. This feast has magnificent propers. Its somber INTROIT is particularly striking—using a haunting tonality—but the COMMUNION with its fauxbourdon verses is also quite remarkable. I encourage all the readers to visit the feasts website, where the Propria Missae may be downloaded completely free of charge.
    —Jeff Ostrowski
    Like! Like! Like!
    You won’t believe who recently gave us a “like” on the Corpus Christi Watershed FACEBOOK PAGE. Click here (PDF) to see who it was. We were not only sincerely honored, we were utterly flabbergasted. This was truly a resounding endorsement and unmistakable stamp of approval.
    —Jeff Ostrowski
    Which Mass?
    In 1905, when the Vatican Commission on Gregorian Chant began publishing the EDITIO VATICANA—still the Church’s official edition— they assigned different Masses to different types of feasts. However, they were careful to add a note (which began with the words “Qualislibet cantus hujus Ordinarii…”) making clear “chants from one Mass may be used together with those from others.” Sadly, I sometimes worked for TLM priests who weren’t fluent in Latin. As a result, they stubbornly insisted Mass settings were ‘assigned’ to different feasts and seasons (which is false). To understand the great variety, one should examine the 1904 KYRIALE of Dr. Peter Wagner. One should also look through Dom Mocquereau’s Liber Usualis (1904), in which the Masses are all mixed up. For instance, Gloria II in his book ended up being moved to the ‘ad libitum’ appendix in the EDITIO VATICANA.
    —Jeff Ostrowski

Quick Thoughts

    Extreme Unction
    Those who search Google for “CCCC MS 079” will discover high resolution images of a medieval Pontificale (“Cambridge, Corpus Christi College, MS 079”). One of the pages contains this absolutely gorgeous depiction of the Sacrament of Extreme Unction.
    —Corpus Christi Watershed
    PDF Chart • “Plainsong Rhythm”
    I will go to my grave without understanding the lack of curiosity so many people have about the rhythmic modifications made by Dom André Mocquereau. For example, how can someone examine this single sheet comparison chart and at a minimum not be curious about the differences? Dom Mocquereau basically creates a LONG-SHORT LONG-SHORT rhythmic pattern—in spite of enormous and overwhelming manuscript evidence to the contrary. That’s why some scholars referred to his method as “Neo-Mensuralist” or “Neo-Mensuralism.”
    —Jeff Ostrowski
    PDF • “O Come All Ye Faithful” (Simplified)
    I admire the harmonization of “Adeste Fideles” by David Willcocks (d. 2015), who served as director of the Royal College of Music (London, England). In 2025, I was challenged to create a simplified arrangement for organists incapable of playing the authentic version at tempo. The result was this simplified keyboard arrangement (PDF download) based on the David Willcocks version of “O Come All Ye Faithful.” Feel free to play through it and let me know what you think.
    —Jeff Ostrowski

Random Quote

“It will not be Rome to tell you what you should do, no: because you have the charism. …you have the Holy Spirit for this. If Rome were to begin to make the decisions it would be a blow to the Holy Spirit, who works in the particular Churches.”

— Pope Francis (27 March 2023)

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