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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

Jeff Ostrowski • Article Archive

A theorist, organist, and conductor, Jeff Ostrowski holds his B.M. in Music Theory from the University of Kansas (2004). He completed studies in Education and Musicology at the graduate level. Having worked as a church musician in Los Angeles for ten years, in 2024 he accepted a position as choirmaster for Saint Mary of the Immaculate Conception in Michigan, where he resides with his wife and children. —Read full biography (with photographs).

Jeff Ostrowski · January 29, 2026

Dom Pothier • Photo from 1904

This is quite a beautiful image.

Jeff Ostrowski · January 29, 2026

PDF Chart • “Plainsong Rhythm”

Whence this lack of curiosity?

Jeff Ostrowski · January 28, 2026

PDF • “3-Voice Motet” (Father De Laet)

Motet is defined as: “a short piece of sacred choral music, typically polyphonic and unaccompanied.”

Jeff Ostrowski · January 28, 2026

PDF Download • “Hymn for 2 Voices”

If your choir is very small, this piece is for you!

Jeff Ostrowski · January 26, 2026

PDF Download • “Pange Lingua” for Three Voices (Father Edgard De Laet)

For very small choirs, this arrangement can be sung with one male and two females.

Jeff Ostrowski · January 26, 2026

Fulton J. Sheen • “24-Hour Catechism”

(4 of 50) “Human Freedom” [a.k.a. “Virgin Birth”]

Jeff Ostrowski · January 20, 2026

Music List • (3rd Sund. Ordinary Time)

Readers have expressed interest in examining my “music list” for this coming Sunday.

Jeff Ostrowski · January 20, 2026

PDF Download • “Tantum Ergo” for 3 Voices (Kevin Allen) Paired with a Hymn for 2 Voices

The children’s choir I direct loves singing Kevin Allen’s music … as does our adult choir!

Jeff Ostrowski · January 19, 2026

Active Participation • “Participatio Actuosa”

“The faithful should also be taught to unite themselves interiorly to what the ministers or choir sing, so that by listening to them they may raise their minds to God.”

Jeff Ostrowski · January 19, 2026

“Holy Name Hymn” (2-Voice Arrangement)

This 2-voice arrangement is free to all.

Jeff Ostrowski · January 19, 2026

PDF Download • Introit (3rd Sn. Ord.)

This coming Sunday—25 January 2026—is the 3rd Sunday in Ordinary Time (Year A).

Jeff Ostrowski · January 19, 2026

“New Hope For Sacred Music!” • Richard J. Clark Interviews Dr. Myrna Keough

Mother to five children, Myrna earned two doctorates (as did her husband), teaches at the seminary, runs a parish music program, and serves on the OCP board of directors.

Jeff Ostrowski · January 18, 2026

Fulton J. Sheen • “24-Hour Catechism”

(3 of 50) “God in Search of Man”

Jeff Ostrowski · January 17, 2026

“Lamb of God” (Musical Setting)

This makes it possible to adjust based upon who’s singing (at which time of day).

Jeff Ostrowski · January 15, 2026

“Sacred Music Journal” Editor Sings w/ Our Choir

How do you pronounce the word “heav’n” when you sing?

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Corpus Christi Watershed

President’s Corner

    “Samaritánæ” (3rd Sunday of Lent)
    With regard to the COMMUNION for the 3rd Sunday of Lent (Year A), the Ordo Cantus Missae—which was published in 1969 by the Vatican, bearing Hannibal Bugnini’s signature and approbation in its PREFACE—inexplicably introduced a variant melody and slightly different words, as you can see by this comparison chart. When it comes to such items, they’re always done in secrecy by unnamed people. (Although it is known that Dom Eugène Cardine collaborated in the creation of the GRADUALE SIMPLEX, a book considered by some to be a travesty.)
    —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
    PDF • “Cantus Mariales” (192 pages)
    Andrea Leal has posted an absolutely pristine scan of CANTUS MARIALES (192 pages) which can be downloaded as a PDF file. To access this treasure, navigate to the frabjous article Andrea posted Monday. The file is being offered completely free of charge. The beginning pages of the book have something not to be missed: viz. a letter from Pope Saint Pius X to Dom Pothier, in which the pope calls Abbat Pothier “a man versed above all others in the science of liturgy, and to whom the cause of Gregorian chant is greatly indebted.”
    —Jeff Ostrowski

Quick Thoughts

    Grotesque Pairing • “Passion Chorale”
    One of our rarest releases was undoubtably this PDF scan of the complete Pope Pius XII Hymnal (1959) by Father Joseph Roff, a student of Healey Willan. One of the scarcest titles in existence, this book was provided to us by Mr. Peter Meggison. Back in 2018, we scanned each page and uploaded it to our website, making it freely available to everyone. Readers are probably sick of hearing me say this, but just because we upload something that doesn’t necessarily mean it’s wonderful or worthy of imitation. We upload many publications precisely because they are ‘grotesque’, interesting, or revealing. Whereas the Brébeuf Catholic Hymnal had an editorial board that was careful and sensitive vis-à-vis pairing texts with tunes, the Pope Pius XII Hymnal (1959) seems to have been rather reckless in this regard. Please take a look at what they did with the PASSION CHORALE and see whether you agree.
    —Jeff Ostrowski
    Extreme Unction
    Those who search Google for “CCCC MS 079” will discover high resolution images of a medieval Pontificale (“Cambridge, Corpus Christi College, MS 079”). One of the pages contains this absolutely gorgeous depiction of the Sacrament of Extreme Unction.
    —Corpus Christi Watershed
    PDF Chart • “Plainsong Rhythm”
    I will go to my grave without understanding the lack of curiosity so many people have about the rhythmic modifications made by Dom André Mocquereau. For example, how can someone examine this single sheet comparison chart and at a minimum not be curious about the differences? Dom Mocquereau basically creates a LONG-SHORT LONG-SHORT rhythmic pattern—in spite of enormous and overwhelming manuscript evidence to the contrary. That’s why some scholars referred to his method as “Neo-Mensuralist” or “Neo-Mensuralism.”
    —Jeff Ostrowski

Random Quote

Far from dreading an encounter with the Iroquois, Fr. Garnier often told us he would be quite content to fall into their hands and remain their prisoner if—while they were torturing him—he at least had a chance of instructing them as long as his torments lasted. If they allowed him to live, it would afford him a golden opportunity to work for their conversion, which was now impossible, since the gateway to their country was closed as long as they were our enemies.

— Father Ragueneau (Jesuit Relations)

Recent Posts

  • “National Survey” (Order of Christian Funerals) • By the USCCB Secretariat of Divine Worship
  • “Samaritánæ” (3rd Sunday of Lent)
  • Grotesque Pairing • “Passion Chorale”
  • PDF Download • “Ubi Caritas” (SATB)
  • PDF • “Cantus Mariales” (192 pages)

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