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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

“Ad Te Levavi” • Variant

Jeff Ostrowski · January 9, 2026

EING INVOLVED in the world of Gregorian Chant scholarship can be a bit frustrating. I say this because basic ideas are repeated over and over, yet certain parties (who should know better) pretend not to understand. For instance, it’s important to realize why the EDITIO VATICANA was created. It is a CENTO. In other words, it does not intend to reproduce a certain manuscript written in a certain century by a certain monastery. Again, it’s a CENTO, which took into consideration the entire tradition of authentic plainsong—not just a handful of manuscripts from a particular monastery. That’s why it’s nonsensical to ‘interpret’ the EDITIO VATICANA by placing adiastematic neumes from a particular manuscript above its notes, in the same way it would be nonsensical and reprehensible to ‘interpret’ a piece by Brahms using pedal markings from a composition by Chopin.

Variants • Once we understand why the EDITIO VATICANA was created, we likewise understand there will always be variants. The following is a gorgeous 14th-century variant whose opening hints at tone painting—lifting one’s soul to God—in a way slightly obscured by the EDITIO VATICANA:

*  PDF Download • “Ad Te Levavi” (14th century)

First Letter of the Alphabet • The ‘original’ liturgical year began with Christmas, which is only natural: a birth. But as the centuries rolled along, it was felt that a time of preparation was needed leading up to Christmas. Apparently, that’s how we got ADVENT—although that season still incorporates many of the “end of the book” themes. Nowadays we consider ADVENT the beginning of the liturgical year.

Is it really just a coincidence that—now that ADVENT is considered the beginning of the liturgical year—the very first Introit comes from an alphabetical psalm (Psalm 24: “Ad te, Dómine, levávi ánimam meam”) and starts with the letter A? It’s difficult to believe this was a coincidence.

Regarding Source • Something else must be repeated again and again (because it’s quite important): viz. just because a manuscript currently resides in a particular library, that doesn’t necessarily tell us anything about when or where that manuscript was created. Nor does it necessarily tell us something about who’s responsible for its creation. In other words, the fact that a manuscript is found inside a particularly library in the year 2026 doesn’t necessarily reveal its provenance. Over the last 1,500 years, entire civilizations have risen and fallen. Manuscripts get destroyed, manuscripts get damaged, and manuscripts are often moved from place to place over the centuries.

Whose Ox Is Being Gored • This reality is something very basic; even a child in high school will have no difficulty grasping it. Yet some who self-identify as Gregorian Chant “scholars” appear ignorant of it. Over the past 15 years, I’ve come to believe some feign ignorance in this arena because it depends “whose ox is gored.” In other words, if acknowledging this basic reality causes someone’s ‘pet’ theory to disintegrate, such a one will be quite unwilling to do so.

When You Wish Upon a Star • The origins of many Gregorian Chant manuscripts remain shrouded in mystery. Homo modernus believes that the passage of time reveals all truth—but that’s a lie. As a matter of fact, the passage of time can sometimes leave us with less (!) knowledge vis-à-vis the provenance of ancient MSS. That’s because evidence may emerge which calls into question certain assumptions which had hitherto been accepted as ‘established’ or ‘likely’ or ‘within the realm of possibility’. In spite of the precept of homo modernus, sensible people realize that decades from now we may know nothing more vis-à-vis the provenance of certain ancient MSS.

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

Filed Under: Articles, PDF Download Tagged With: Gregorian Rhythm Wars, Psalm 24 Alphabetical Last Updated: January 9, 2026

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About Jeff Ostrowski

Jeff Ostrowski holds his B.M. in Music Theory from the University of Kansas (2004). He resides with his wife and children in Michigan. —(Read full biography).

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Corpus Christi Watershed

President’s Corner

    ‘German’ Introductions for Hymns
    German organ books have an enchanting habit of including introductions for each and every hymn. For example, consider this snazzy example found in a German hymnal published in 1902. In the Saint Jean de Brébeuf Hymnal, that melody is called “Laudes Mariae” and was married to Omni Die Dic Mariae, with a popular English translation (“Daily, daily, sing to Mary”) by Father Henry Bittleston, an Oratorian priest.
    —Jeff Ostrowski
    Buckfast Abbey Weighs In
    Dom John Stéphan was a Benedictine monk of Buckfast Abbey in South Devon, England. On 4 February 1933, he published this interesting letter in THE TABLET. Have you seen the exterior of Buckfast Abbey? It’s beyond gorgeous. I doubt there’s a more arresting Abbey in the entire world. Dom Stéphan’s letter is concerning this momentous collection, which our organization obtained, scanned, and uploaded.
    —Jeff Ostrowski
    Responsorial Psalm Fauxbourdon?
    When it comes to singing Responsorial Psalms in Fauxbourdon, what does this sound like in practice? Can such a thing be done successfully with volunteer choirs in real Catholic parishes? Listen to this audio excerpt from Good Friday and see what you think. Our parish volunteer choir did so well this year—and the ceremonies were ‘standing room only’. For the record, that musical score can be downloaded (completely free of charge) from the flourishing feasts website.
    —Jeff Ostrowski

Quick Thoughts

    PDF • “Liturgical Law” (467 Pages)
    On Good Friday during the middle ages, the pope privately recited THE ENTIRE PSALTER. If you don’t believe me, see for yourself by reading this passage by Dom Charles Augustine Bachofen (d. 1943). His famous book—called “Liturgical Law: A Handbook Of The Roman Liturgy”—was published by the Benjamin Herder Book Company, which was the American arm (operating out of St. Louis, Missouri) of one of the world’s most significant Catholic publishers. Dom Charles Augustine Bachofen was born in Switzerland but spent his career between the Benedictine monasteries at Conception (Missouri) and Mount Angel (Oregon). His 1931 masterpiece, Liturgical Law can be downloaded as a PDF file … 467 pages!
    —Jeff Ostrowski
    “Gregorian Chant Quiz” • 24 March 2026
    How well do you know your Gregorian hymns? Do you recognize the tune inserted into the bass line on this score? For many years, we sang the entire Mass in Gregorian chant—and I mean everything. As a result, it would be difficult to find a Gregorian hymn I don’t recognize instantly. Only decades later did I realize (with sadness) that this skill cannot be ‘monetized’… This particular melody is used for a very famous Gregorian hymn, printed in the LIBER USUALIS. Do you recognize it? Send me an email with the correct words, and I promise to tell everybody I meet about your prowess!
    —Jeff Ostrowski
    PDF Download • “Ubi Caritas” (SATB)
    I remember singing “Ubi Cáritas” by Maurice Duruflé at the conservatory. I was deeply moved by it. However, some feel Duruflé’s version isn’t suitable for small choirs since it’s written for 6 voices and the bass tessitura is quite low. That’s why I was absolutely thrilled to discover this “Ubi cáritas” (SATB) for smaller choirs by Énemond Moreau, who studied with OSCAR DEPUYDT (d. 1925), an orphan who became a towering figure of Catholic music. Depuydt’s students include: Flor Peeters (d. 1986); Monsignor Jules Van Nuffel (d. 1953); Arthur Meulemans (d. 1966); Monsignor Jules Vyverman (d. 1989); and Gustaaf Nees (d. 1965). Rehearsal videos for each individual voice await you at #19705. When I came across the astonishing English translation for “Ubi Cáritas” by Monsignor Ronald Knox—matching the Latin’s meter—I decided to add those lyrics as an option (for churches which have banned Latin). My wife and I made this recording to give you some idea how it sounds.
    —Jeff Ostrowski

Random Quote

Legitimate and necessary concern for current realities in the concrete lives of people cannot make us forget the true nature of the liturgical actions. It is clear that the Mass is not the time to “celebrate” human dignity or purely terrestrial claims or hopes. It is rather the sacrifice which renders Christ really present in the sacrament.

— Pope Saint John Paul II (20 March 1990)

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