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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

PDF Download • Extremely Rare! —Solesmes “Graduale” acc. to the Official Rhythm (1,049 pages)

Jeff Ostrowski · January 6, 2025

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HERE’S A FAMOUS saying: “He can’t see the forest for the trees.” This maxim certainly applies when it comes to CARMEN GREGORIANUM (Gregorian Chant). For this reason, I ask you to “take a step back” for a moment and view the big picture. Gregorian Chant—against all odds—survived the 1960s. It’s not going anywhere. Therefore, how can musicians learn about it? I would argue that most would regret learning from a teacher with intensely idiosyncratic beliefs.1

Common Sense • Doesn’t it stand to reason that we should learn plainsong according to the Church’s official edition, which has lasted 120 years? Doesn’t it stand to reason that we should sing from this edition the way it was intended to be sung by its creators? Pope Saint Pius X explicitly made clear his edition must be sung according to the rules of interpretation laid out by the pontifical commission responsible for its creation. Doesn’t it stand to reason any serious musician would wish to know those rules?

(1 of 2) Historic Release • In the past, we’ve scanned and uploaded many editions which follow the official rhythm. In 2008, my personal copy of the EDITIO VATICANA (Vatican Polyglot Press) was made available as a PDF file. We scanned and uploaded the “LIBER CANTUS GREGORIANI” (1,864 pages) which follows the official rhythm. More “official rhythm” books we’ve scanned and uploaded would have to include the “GRADUALE ROMANUM” (1,129 pages) by the Schwann editors, which is utterly gorgeous. We scanned and uploaded the “Nova Organi Harmonia” (LEMMENSINSTITUUT)—all 2,279 pages—which follows the official rhythm, as well as the editions by the ABBEY OF SAINT-WANDRILLE (1,638 pages) which adhere strictly to the official rhythm. The list of “official rhythm” books we’ve scanned goes on and on: Father Xavier Mathias; Professor Max Springer; Marcel Dupré; Monsignor Franz Nekes; Father Karl Weinmann; and so forth. Indeed, a few days ago we released a book by the VON TRAPP FAMILY SINGERS, and those who listen to the Gregorian Chant recording included there (viz. Puer Natus Est) will notice they follow the official rhythm.

(2 of 2) Historic Release • Today, for the first time in history, we’ve scanned and uploaded the complete GRADUALE ROMANUM in a 1908 edition by the Abbey of Solesmes which follows the official rhythm. We used powerful scanning equipment—resulting in beautiful but massive files—so it was necessary to break it into three parts:

* PDF Download • GRADUALE (Solesmes Abbey, 1908)—Part 1 of 3
* PDF Download • GRADUALE (Solesmes Abbey, 1908)—Part 2 of 3
* PDF Download • GRADUALE (Solesmes Abbey, 1908)—Part 3 of 3

Several photographs of this supremely rare book:

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Fly In The Ointment • There was a problem, however. Dom André Mocquereau (PRIOR of Solesmes Abbey) added tons of modifications to the rhythm of the official edition. He wasn’t allowed to do that—so why did he? From letters recently unearthed, it seems Dom Mocquereau took his actions seeking financial gain, by attaching what he called “value-added” to his editions. In the KYRIALE, his modifications didn’t amount to much (broadly speaking). But in the GRADUALE and the ANTIPHONALE, they often left the official melodies unrecognizable owing to all the illicit markings. For example, in Tecum Princípium almost every note is sullied. Indeed, some call Mocquereau’s modifications “a type of Neo-Mensuralism.” In other words, the rhythm becomes so distorted it resembles the 19th-century (“corrupt”) way of singing plainsong, in which singers observed “longs and shorts.” Countless examples could be cited, but consider how Mocquereau defaced this poor antiphon.

If you examine ancient manuscripts, you won’t find the markings invented by Dom Mocquereau:

*  PDF Download • “Lumen Ad Revelationem Gentium” (2 FEBRUARY)
—An ancient manuscript from Flanders (Belgium).

The Bottom Line • Some used to believe Dom Mocquereau’s markings represented “nuances” in ancient MSS. In light of recent scholarship, however, this would be a very difficult case to make. Even if the “nuances” mean what Dom Mocquereau claims, it would be a grave error to ‘transfer’ markings from 2-3 manuscripts to the official edition, which is a CENTO. The Gregorian repertoire is much larger than 2-3 manuscripts. A responsible scholar must take into consideration the entire manuscript tradition, and not just a handful of MSS—even if he has a particular predilection for certain manuscripts.

1 It’s easy to determine who’s a shoddy scholar. Simply ask: “What other scholars agree with the unique theory you’ve concocted?” You should probably look for a different teacher if you get a response like: “Nobody else agrees. I’m the only one in the galaxy who’s figured this out.”

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

Filed Under: Articles, PDF Download Tagged With: Carmen Gregorianum, Editio Vaticana, Editio Vaticana Preface, Gregorian Rhythm Wars, Inter Pastoralis Officii 1903 Motu Proprio, Inter pastoralis officii Pius X Last Updated: January 7, 2025

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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

    Why A “Fugue” Here?
    I believe I know why this plainsong harmonizer created a tiny fugue as the INTRODUCTION to his accompaniment. Take a look (PDF) and tell me your thoughts about what he did on the feast of the Flight of Our Lord Jesus Christ into Egypt (17 February). And now I must go because “tempus fugit” as they say!
    —Jeff Ostrowski
    New Bulletin Article • “12 October 2025”
    My pastor requested that I write short articles each week for our parish bulletin. Those responsible for preparing similar write-ups may find a bit of inspiration in these brief columns. The latest article (dated 12 October 2025) talks about an ‘irony’ or ‘paradox’ regarding the 1960s switch to a wider use (amplior locus) of vernacular in the liturgy.
    —Jeff Ostrowski
    “Reminder” — Month of October (2025)
    Those who don’t sign up for our free EMAIL NEWSLETTER miss important notifications. Last week, for example, I sent a message about this job opening for a music director paying $65,000 per year plus benefits (plus weddings & funerals). Notice the job description says: “our vision for sacred music is to move from singing at Mass to truly singing the Mass wherein … especially the propers, ordinaries, and dialogues are given their proper place.” Signing up couldn’t be easier: simply scroll to the bottom of any blog article and enter your email address.
    —Jeff Ostrowski

Quick Thoughts

    “American Catholic Hymnal” (1991)
    The American Catholic Hymnal, with IMPRIMATUR granted (25 April 1991) by the Archdiocese of Chicago, is like a compendium of every horrible idea from the 1980s. Imagine being forced to stand all through Communion (even afterwards) when those self-same ‘enlightened’ liturgists moved the SEQUENCE before the Alleluia to make sure congregations wouldn’t have to stand during it. (Even worse, everything about the SEQUENCE—including its name—means it should follow the Alleluia.) And imagine endlessly repeating “Alleluia” during Holy Communion at every single Mass. It was all part of an effort to convince people that Holy Communion was historically a procession (which it wasn’t).
    —Jeff Ostrowski
    “Canonic” • Ralph Vaughan Williams
    Fifty years ago, Dr. Theodore Marier made available this clever arrangement (PDF) of “Come down, O love divine” by P. R. Dietterich. The melody was composed in 1906 by Ralph Vaughan Williams (d. 1958) and named in honor of of his birthplace: DOWN AMPNEY. The arrangement isn’t a strict canon, but it does remind one of a canon since the pipe organ employs “points of imitation.” The melody and text are #709 in the Brébeuf Catholic Hymnal.
    —Jeff Ostrowski
    Did they simplify these hymn harmonies?
    Choirs love to sing the famous & splendid tune called “INNSBRUCK.” Looking through a (Roman Catholic) German hymnal printed in 1952, I discovered what appears to be a simplified version of that hymn. In other words, their harmonization is much less complex than the version found in the Saint Jean de Brébeuf Hymnal (which is suitable for singing by SATB choir). Please download their 1952 harmonization (PDF) and let me know your thoughts. I really like the groovy Germanic INTRODUCTION they added.
    —Jeff Ostrowski

Random Quote

“Oh, the happy choir director who is hired to start work on a brand new choir, or who walks into his first rehearsal a total stranger to the existing group—what a fortunate man he is! The new choir director who is a former member of the choir, or a member of the congregation, or the nephew of the alto soloist, or a former altar boy, or otherwise well acquainted with the choir, is in for a few headaches.”

— Paul Hume (1956)

Recent Posts

  • Why A “Fugue” Here?
  • “Three Reasons To Shun Bad Hymns” • Daniel B. Marshall
  • “Puzzling Comment” • By A Respected FSSP Priest
  • New Bulletin Article • “12 October 2025”
  • “Reminder” — Month of October (2025)

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