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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

Articles

Corpus Christi Watershed · August 25, 2013

General Instruction of the Roman Missal (PDF)

Download: “Institutio Generalis Missalis Romani”

Jeff Ostrowski · August 25, 2013

Give us our words back! (1 of 3)

I have a hard time believing that nuns told young Catholics, “Whatever you do, don’t read the Bible!” Seriously?

Veronica Brandt · August 24, 2013

What not to do on GitHub

Read my mistakes to save yourself the trouble.

Jeff Ostrowski · August 23, 2013

Help! What does Fr. Deryck Hanshell mean?

USCCB Secretariat of Divine Worship: “The GIRM never speaks to every possible scenario that could take place.”

Jeff Ostrowski · August 22, 2013

Pope Pius X: The Pope Who Carried His Shoes

Named Bishop of Mantua, Sarto began in 1884 to teach dogma courses in the Seminary, giving each student a personal copy of the “Summa Theologiae.”

Dr. Peter Kwasniewski · August 22, 2013

Musings of an Aristotelian Catholic

In the mystery of the Incarnation, God takes delight in responding to man’s sensible, bodily nature, and the resulting need for tasting and touching our God.

Jeff Ostrowski · August 22, 2013

Bishop Christensen Attempts To Ban “Ad Orientem”

“There is nothing in the Council text about turning altars toward the people.” — Joseph Cardinal Ratzinger

Andrew R. Motyka · August 21, 2013

First, the Priests

The importance of the priest singing the orations at Mass.

Jeff Ostrowski · August 19, 2013

Singing Propers and Ordinary . . . at Low Mass?

“And the practice of saying a Low Mass while the choir sings bits of things is too dreadful to be described.” — Fr. Adrian Fortescue, 1912

Fr. David Friel · August 18, 2013

The Gift of Music

Whose Gift Is It?

Jeff Ostrowski · August 17, 2013

Essay on Gregorian Accompaniment

I published this article in 2007. I am reproducing it here in case anyone finds it useful.

Veronica Brandt · August 17, 2013

A hymn for St Mary of the Cross

A beautiful hymn from Rev Fr Popplewell FSSP from Canberra, Australia.

Jeff Ostrowski · August 17, 2013

Anticipation of Richard . . .

One of our contributors, Richard Clark, plans to write about the 1998 ICEL translation . . .

Kevin Allen · August 15, 2013

Motecta Trium Vocum • Video

To learn about Motecta Trium Vocum, please click here.

Kevin Allen · August 15, 2013

Contemporary Sacred Music: Does It Exist?

To learn more about I Sing of a Maiden, please click here.

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Corpus Christi Watershed

President’s Corner

    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
    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

“[Saint Jerome’s Latin] fairly frequently represents a purer text than does the existing Hebrew, sometimes yielding a plain sense when the Massoretic text fails to do so, and quite often providing a working interpretation of a passage where the Hebrew is doubtful.”

— Sebastian Bullough, O.P. (June 1949)

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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