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Corpus Christi Watershed

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

‘Medieval’ Liturgy and ‘Scholastic’ Theology

Dr. Peter Kwasniewski · January 2, 2014

901 Simone ANY MODERN CATHOLICS believe that scholastic theology has been rendered obsolete by the “discoveries” of modern Scripture scholarship, modern philosophy, and, well, all things modern, which are generally perceived as improvements upon all that has come before. In like manner, modern(-ist) liturgists, like the members of Paul VI’s Consilium, believed that the Roman liturgy as inherited from the Middle Ages was burdened with grave defects that had to be corrected by a more scientific and more contemporary approach to liturgy. How wrong they were has been confirmed, sadly, by the mass exodus of faithful souls from the churches on Sundays, the greying of the diocesan clergy, the emptying of religious houses, the secularization of confessional schools, and, in short, to use Bouyer’s poignant phrase, the decomposition of Catholicism.

As students of Saint Thomas know, medieval theology is infinitely superior to modern theology qua modern; it surpasses it in depth, breadth, profundity, insight, coherence, truth, and above all, in fidelity to Sacred Scripture as the inspired, the truly revealed, word of God.

The liturgy, too, as it organically developed down through the ages participates in the same inspired and revealed quality, which is why it breathes the air of Scripture. It is thoroughly in accord not only with the text, which it uses in a totally integrated and familiar way, but also with the inner meaning, trajectory or tone, of Scripture. Take the Psalms, for example, of which the ancient Mass and Office are woven like a seamless garment from top to bottom.

The incoherent pluralism of Catholic theology at the start of the 21st century is anything but edifying—one symptom among many that the crisis in the Church has reached proportions comparable to those of the late Middle Ages, and will require a creative response as effective as that of the Counter-Reformation.

In like manner, the divisive pluralism of the liturgy today—the radically different manners in which the Ordinary Form can be celebrated, the encouragement (in the official rubrics!) of ad libbing, the loss of any certainty about what is and what is not Catholic, the cafeteria-style approach to tradition and doctrine that characterizes the entire daily life of the Church—is thoroughly disedifying and is, let us not mince words, a major impediment to the success, or perhaps even the start, of any new evangelization.

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

Filed Under: Articles Tagged With: Consilium of Pope Paul VI, Saint Thomas Aquinas Last Updated: January 1, 2020

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About Dr. Peter Kwasniewski

A graduate of Thomas Aquinas College (B.A. in Liberal Arts) and The Catholic University of America (M.A. and Ph.D. in Philosophy), Dr. Peter Kwasniewski is currently Professor at Wyoming Catholic College. He is also a published and performed composer, especially of sacred music.

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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

“Abbat Pothier’s great accomplishment is having returned to the Catholic world—along with the traditional melody—the traditional way of performing it. The foundations laid by this providential man have been accepted by all those who practice Gregorian chant.”

— Dr. Peter Wagner (Commissionis Pontificiæ Gregorianæ Membrum)

Recent Posts

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  • PDF Download • “Funerals in the Ordinary Form”
  • Extreme Unction
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