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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

    Spectacular Communion Setting!
    The FAUXBOURDON setting of the Communion for the Baptism of the Lord (which will occur this coming Sunday) strikes me as quite spectacular. The verses—composed by the fifth century Christian poet, Coelius Sedulius—come from a long alphabetical acrostic and are deservedly famous. The feast of the LORD’S BAPTISM was traditionally the octave day of Epiphany, but in the 1962 kalendar it was made ‘more explicit’ or emphasized. The 1970 MISSALE ROMANUM elevated this feast even further.
    —Jeff Ostrowski
    PDF • “Music List” (Sunday, 11 January)
    Readers have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for Feast of the Baptism of the Lord (SUNDAY, 11 January 2025). If such a thing interests you, feel free to download it as a PDF file. The FAUXBOURDON verses for the Communion Antiphon—to say nothing of the antiphon itself—are breathtaking. As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are available at the monumental feasts website alongside the official texts in Latin.
    —Jeff Ostrowski
    Epiphany Hymn • “New 2-Voice Arrangement”
    The Von Trapp Family Singers loved a melody that was featured heavily (perhaps even “too heavily”) in the Brébeuf Hymnal. It goes by many names, including ALTONA, VOM HIMMEL HOCH, and ERFURT. If you only have one man and one woman singing, you will want to download this arrangement for two voices. It really is a marvelous tune—and it’s especially fitting during the season of Christmas and Epiphany.
    —Jeff Ostrowski

Quick Thoughts

    “Reminder” — Month of January (2026)
    On a daily basis, I speak to people who don’t realize we publish a free newsletter (although they’ve followed our blog for years). We have no endowment, no major donors, no savings, and refuse to run annoying ads. As a result, our mailing list is crucial to our survival. Signing up couldn’t be easier: simply scroll to the bottom of any blog article and enter your email address.
    —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
    PDF Download • “In Paradisum” in English
    We always sing the IN PARADISUM in Latin, as printed on this PDF score. I have an appallingly bad memory (meaning I’d be a horrible witness in court). In any event, it’s been brought to my attention that 15 years ago I created this organ accompaniment for the famous and beautiful ‘IN PARADISUM’ Gregorian chant sung in English according to ‘MR3’ (Roman Missal, Third Edition). If anyone desires such a thing, feel free to download and print. Looking back, I wish I’d brought the TENOR and BASS voices into a unison (on B-Natural) for the word “welcome” on the second line.
    —Jeff Ostrowski

Random Quote

“Every experienced choirmaster’s work is founded on the following three axioms: (1) Few boys have a really good natural voice; (2) No boy is able to control his voice and produce good tone without training; (3) Most boys have a good ear, and considerable imitative capacity. It is on the last of these axioms that the choirmaster must begin his work.”

— Sir Richard Runciman Terry (1912)

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