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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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President’s Corner

    “Entrance Chant” • 23rd (Ordinary Time)
    This coming Sunday, 7 September 2025, is the 23rd Sunday in Ordinary Time (Year C). You can download the “Entrance Chant,” conveniently located at the feasts website. I also recorded a rehearsal video for it (freely available at the same website). The Communion Chant includes gorgeous verses in FAUXBOURDON. I attempted to create a rehearsal video for it, and it’s been posted at the feasts website, called by some: “church music’s best kept secret.”
    —Jeff Ostrowski
    PDF Download • 3 September
    According to the MISSALE RECENS, the Feast of Saint Gregory the Great occurs on 3 September (the date Gregory became pope). Formerly, his feast was celebrated during Lent, on 12 March (the day Gregory died). In Latin, the feast is: Die 3 Septembris: S. Gregorii Magni, papæ et Ecclesiæ doctoris. you can download the Latin Introit, the Latin Offertory, as well as the Communion with gorgeous fauxbordon in English. Abbat Joseph Pothier—along with Dom André Mocquereau, Bishop Laurent Janssens, Father De Santi, and other Gregorian superstars—sang with a choir of 1,210 voices (from 36 different Roman colleges) under the direction of Monsignor Antonio Rella. That Mass included the “Alma cohors,” a special SEQUENCE for Saint Gregory…much to the dismay of those who believe in strict adherence to rubrics. The Mass on 11 April 1904 was celebrated by Pope Saint Pius X, at the great GREGORIAN CONGRESS held in Rome “to mark the 13th Centenary of the death of Saint Gregory the Great.” Someday, there’s much I’d love to say about this congress. We even have recordings (!) from it (made in 1904 by the Gramophone Company) with choirs conducted by Dom Pothier, Dom Mocquereau, Dom Janssens, Monsignor Rella, Baron Kanzler, and others.
    —Jeff Ostrowski
    New Bulletin Article • “7 September 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 is called: “Professor Bouyer’s Regret.”
    —Jeff Ostrowski

Quick Thoughts

    Solemn “Salve Regina” (Chant)
    How many “S” words can you think of using alliteration? How about Schwann Solemn Salve Score? You can download the SOLEMN SALVE REGINA in Gregorian Chant. The notation follows the official rhythm (EDITIO VATICANA). Canon Jules Van Nuffel, choirmaster of the Cathedral of Saint Rumbold, composed this accompaniment for it (although some feel it isn’t his best work).
    —Corpus Christi Watershed
    Pope Pius XII Hymnal?
    Have you ever heard of the Pope Pius XII Hymnal? It’s a real book, published in the United States in 1959. Here’s a sample page so you can verify with your own eyes it existed.
    —Corpus Christi Watershed
    “Hybrid” Chant Notation?
    Over the years, many have tried to ‘simplify’ plainsong notation. The O’Fallon Propers attempted to simplify the notation—but ended up making matters worse. Dr. Karl Weinmann tried to do the same in the time of Pope Saint Pius X by replacing each porrectus. You can examine a specimen from his edition and see whether you agree he complicated matters. In particular, look at what he did with éxsules fílii Hévae.
    —Corpus Christi Watershed

Random Quote

“I, (Name), do declare that I do believe that there is not any Transubstantiation in the Sacrament of the Lord’s Supper, or in the elements of the bread and wine, at or after the consecration thereof by any person whatsoever.”

— ‘From England’s Anti-Catholic Oath (1673)’

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