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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

PDF Download

Jeff Ostrowski · September 20, 2025

PDF Download • Communion (25th Sn. Ord.)

This Communion antiphon glistens with resplendence!

Jeff Ostrowski · September 15, 2025

How do you pronounce this word in Latin?

Including a comparison chart (PDF) which many readers will appreciate.

Jeff Ostrowski · September 15, 2025

Cheap! Cheap! Cheap!

It’s always great to see old diocesan newspapers…

Andrea Leal · September 15, 2025

Children’s Repertoire: “3 Recommendations”

My top repertoire recommendations for easy, delightful, attainable songs.

Jeff Ostrowski · September 15, 2025

PDF Download • Dom Murray Harmonies

Along with so many others, I have deep respect for Dom Gregory Murray as a composer.

Jeff Ostrowski · September 14, 2025

“Music List” • 14 September (Holy Cross)

Readers have expressed interest in examining the “music list” I prepared for 14 September.

Jeff Ostrowski · September 9, 2025

“Novus Ordo Parish … With Polyphony?” • Is that possible? How specifically does that work?

Many have asked: “Without getting fired, how can choirmasters introduce polyphony to the Ordinary Form?”

Jeff Ostrowski · September 7, 2025

PDF Download • Croft’s “Canonic Kyrie” (SATB)

The conscientious choirmaster never rests from his relentless pursuit of repertoire ideas.

Jeff Ostrowski · September 6, 2025

“Music List” • 23rd in Ordinary Time (Year C)

Readers have expressed interest in examining the “music list” I prepared for this coming Sunday.

Jeff Ostrowski · September 6, 2025

PDF Download • Draft Copy (Pamphlet)

Please feel free to chime in!

Jeff Ostrowski · September 5, 2025

“Entrance Chant” • 23rd (Ordinary Time)

The Communion Chant includes gorgeous verses in fauxbourdon.

Jeff Ostrowski · September 4, 2025

PDF Download • 3 September

If I can find time, there’s much I would love to say about this 1904 congress.

Jeff Ostrowski · September 2, 2025

PDF Download • “Full, Conscious, & Active Participation” (12-page pamphlet)

During my research, I discovered three previously-unseen photographs of Hannibal Bugnini (taken in November of 1979).

Guest Author · August 30, 2025

Installment #6 • “Serious Problems with the Lectionary Translation”

“If we had known what the prayers really said, we would not have wanted to pray them any longer.” —Paul Inwood

Jeff Ostrowski · August 29, 2025

Cardinal Ranjith on “Active Participation”

He was considered “papabile” in the last conclave.

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President’s Corner

    PDF Download • “Ubi Caritas” (SATB)
    I remember singing “Ubi Cáritas” by Maurice Duruflé (d. 1986) at the conservatory. I was deeply moved by it. However, some feel Duruflé’s version isn’t suitable small choirs because 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 would 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 it underneath the Latin (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
    Music List • (2nd Sunday of Lent)
    Readers have expressed interest in seeing the ORDER OF MUSIC I created for this coming Sunday, which is the 2nd Sunday of Lent (1 March 2026). If such a thing interests you, feel free to download it as a PDF file. This feast has magnificent propers. Its somber INTROIT is particularly striking—using a haunting tonality—but the COMMUNION with its fauxbourdon verses is also quite remarkable. I encourage all the readers to visit the feasts website, where the Propria Missae may be downloaded completely free of charge.
    —Jeff Ostrowski

Quick Thoughts

    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
    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

Random Quote

Ralph Vaughan Williams “was an atheist during his later years at Charterhouse and at Cambridge, though he later drifted into a cheerful agnosticism: he was never a professing Christian.”

— Dr. William Mahrt, CMAA President (2021)

Recent Posts

  • PDF Download • “Ubi Caritas” (SATB)
  • PDF • “Cantus Mariales” (192 pages)
  • PDF Download • Fourteen (14) Versions of the Splendid Hymn: “Salve Mater Misericordiae”
  • Fulton J. Sheen • “24-Hour Catechism”
  • Music List • (2nd Sunday of Lent)

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