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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

Mocquereau Rhythmic Signs

Jeff Ostrowski · November 4, 2023

PDF • Draft Booklet “Couture Chant” (255 Pages)

This is very much a “work in progress”…

Dr. Charles Weaver · October 5, 2023

PDF Dissertation • “Dom Mocquereau and Music Theory” (282 Pages)

My thesis on how Dom Mocquereau relates to other theories of musical rhythm is now available for download.

Jeff Ostrowski · May 24, 2023

Analysis • “Archaic and Quack Ideas on Chant”

“Gentlemen: Nobody is going to follow the archaic and quack ideas on Chant you are trying to propagate.” Mr. John Sandar

Jeff Ostrowski · April 27, 2023

PDF Download • “English Hymns for Three Voices” (SSA), edited by Dr. Theodore Marier—182 pages

My choir will definitely be using these settings. They’re something many have begged for!

Jeff Ostrowski · March 15, 2023

“Solesmes Ictus” • Can It Be Justified? (Examples)

“If you begin by telling a man that in a word like 𝐷𝑒𝑢𝑠 the first syllable corresponds to the weak beat, the second to the strong beat of a modern bar, the only thing accomplished will be to bewilder him thoroughly.” —Father Bewerunge

Dr. Charles Weaver · January 26, 2023

What is the Tonic Accent?

We should define our terms. What makes a syllable accented, and what makes an accent a tonic accent?

Jeff Ostrowski · January 25, 2023

PDF Download • 1909 “Modern Notation” Gradual (Extremely Rare) — 712 Pages

The truth is stranger than fiction.

Jeff Ostrowski · January 14, 2023

Video • “Counting Gregorian Chant” … according to Dom Mocquereau’s Method

The example chosen is the strenuous offertory (“Jubiláte Déo”) for the 2nd Sunday after Epiphany.

Jeff Ostrowski · January 5, 2023

“Solesmes Method” • Where was it developed?

Father Ralph March wrote: “If any single man could deserve the title father of the renewed chant it would be Dom Joseph Pothier.”

Matthew Frederes · December 12, 2022

Recent Book! • “The Politics of Plainchant”

Fascinating details from never-before-seen letters recently discovered in southern France!

Jeff Ostrowski · December 11, 2022

“Introit” (3rd Sunday of Advent) • Sung According the Church’s Official Rhythm

My humble attempt at singing the Introit for the 3rd Sunday of Advent in accordance with the official rhythm.

Jeff Ostrowski · December 6, 2022

Gregorian Rhythm Wars • “Jeff’s Second Response to Patrick” (6 Dec 2022)

You look upon these thousands of manuscripts in much the same way that I view the plainsong editions of Guillaume-Gabriel Nivers.

Matthew Frederes · November 10, 2022

Gregorian Rhythm Wars • “Frederes Feedback”

Why declare that rhythmic signs are permitted if alteration of any kind is unacceptable? It doesn’t make any sense…

Jeff Ostrowski · August 29, 2022

“Did The Pope Really Say That?” • Re: Solesmes Rhythm

My response to the recent article by Professor Charles Weaver.

Dr. Charles Weaver · August 26, 2022

PDF Download • Mocquereau on Trochee Trouble

This can seem like a dry topic, but it actually often deals with practical issues faced by every choirmaster who wants to promote plainchant.

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Corpus Christi Watershed

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

“Before any seminarian is accepted for ordination, he must not only strive for chastity but actually achieve it. He must already be living chaste celibacy peacefully and for a prolonged period of time—for if this be lacking, the seminarian and his formators cannot have the requisite confidence that he is called to the celibate life.”

— Archbishop Viganò (16 February 2019)

Recent Posts

  • “Entrance Chant” • 23rd (Ordinary Time)
  • Weird Liturgical Kalendar …
  • Is ‘Chant’ a Generic Word for ‘Sing’ ? • No!
  • Catholic College (2025) Sings Vespers in SATB
  • PDF Download • 3 September

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