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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

Jeff Ostrowski · October 19, 2025

Feast of the Jesuit Martyrs of North America

Their feast got replaced by a Sunday this year.

Jeff Ostrowski · October 18, 2025

Fulton J. Sheen + this Sunday’s “Entrance Chant”

Gregorian melodies ‘stick’ in one’s memory in a way that’s both marvelous and surprising.

Keven Smith · October 14, 2025

Children’s Repertoire • Three More Recommendations by Keven Smith

Don’t give up. Your work with young singers today will continue to bear fruit for decades after you die.

Jeff Ostrowski · October 14, 2025

PDF Download • Liturgical Round (“Canon”) for your Children’s Choir

An example that’s truly great art, yet still within their reach.

Jeff Ostrowski · October 13, 2025

Important Quote by a Church Musician

My friend is a highly-placed musician at the Vatican.

Jeff Ostrowski · October 11, 2025

Fulton J. Sheen Played The Pipe Organ!

Sheen would occasionally display his skill on the organ to his friends.

Dr. Samuel Backman · October 11, 2025

Dr. Samuel Backman • “Rooted In Tradition: The Allegory of a Tree”

Most readers would not find themselves in the category of people who are looking to try a “clown Mass” or some other dubious experiment!

Mark Haas · October 10, 2025

Every Diocesan Music Commission Should Do This

“To assist this process, I have compiled links to the documents…” —Mark Haas

Dr. Alfred Calabrese · October 9, 2025

Exclusive Interview • “Púeri Cantóres” President

On 9 October 2025, I was pleased to interview the legendary Paul French.

Dr. Charles Weaver · October 8, 2025

The Real Miracle of Gregorian Chant

It may not have been dictated into a saintly pope’s ear by a dove, but the real story is no less wonderful.

Daniel Marshall · October 7, 2025

“Three Reasons To Shun Bad Hymns” • Daniel B. Marshall

Ever wonder why the Church is so particular about sacred music? There’s more at stake than you think.

Jeff Ostrowski · October 7, 2025

“Puzzling Comment” • By A Respected FSSP Priest

Once upon a time, Catholics were supposed to attend Mass within their “parochial boundaries.”

Jeff Ostrowski · October 4, 2025

Involving Women in the Communion?

Not long ago, I received a weird telephone call from a man appointed “director of music” for a large USA diocese.

Dr. Myrna Keough · October 3, 2025

“Toward a More Sacred Style With Pastoral Charity” • Guest Article by Dr. Myrna Keough

“Their response was ironic, as we continued to sing both an entrance and communion hymn—and neither were in Latin!” —Dr. Keough

Corpus Christi Watershed · October 2, 2025

“Fulfilled!” • Bride’s Musical Request

Sophia Institute Press has been generous in this regard.

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Corpus Christi Watershed

President’s Corner

    Which Mass?
    In 1905, when the Vatican Commission on Gregorian Chant began publishing the EDITIO VATICANA—still the Church’s official edition— they assigned different Masses to different types of feasts. However, they were careful to add a note (which began with the words “Qualislibet cantus hujus Ordinarii…”) making clear “chants from one Mass may be used together with those from others.” Sadly, I sometimes worked for TLM priests who weren’t fluent in Latin. As a result, they stubbornly insisted Mass settings were ‘assigned’ to different feasts and seasons (which is false). To understand the great variety, one should examine the 1904 KYRIALE of Dr. Peter Wagner. One should also look through Dom Mocquereau’s Liber Usualis (1904), in which the Masses are all mixed up. For instance, Gloria II in his book was placed in the ‘ad libitum’ appendix in the EDITIO VATICANA.
    —Jeff Ostrowski
    Like! Like! Like!
    You won’t believe who recently gave us a “like” on the Corpus Christi Watershed FACEBOOK PAGE. Click here (PDF) to see who it was. We were not only sincerely honored, we were utterly flabbergasted. This was truly a resounding endorsement and unmistakable stamp of approval.
    —Jeff Ostrowski
    PDF Download • “Atténde Dómine”
    Although it isn’t nearly as ancient as other hymns in the plainsong repertoire, Atténde Dómine, et miserére, quía peccávimus tíbi (“Look down, O Lord, and have mercy, for we have sinned against Thee”) has become one of the most popular hymns for LENT—perhaps because it was included in the famous Liber Usualis of Solesmes. This musical score (PDF file) has an incredibly accurate version in English, as well as a nice version in Spanish, and also the original Latin. Although I don’t claim to have a great singing voice, this morning I recorded this rehearsal video.
    —Jeff Ostrowski

Quick Thoughts

    “Reminder” — Month of Febr. (2026)
    On a daily basis, I speak to people who don’t realize we publish a free newsletter (although they’ve followed our blog for years). We have no endowment, no major donors, no savings, and refuse to run annoying ads. As a result, our mailing list is crucial to our survival. It couldn’t be easier to subscribe! Just scroll to the bottom of any blog article and enter your email address.
    —Jeff Ostrowski
    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

At the Catholic gathering (Katholikentag) held at Breslau in August, the Papal Nuncio celebrated Mass for 80,000 participants, facing the people (the “Missa versus populum”).

— “Orate Fratres” Magazine (23 Jan. 1927)

Recent Posts

  • Which Mass?
  • Like! Like! Like!
  • PDF Download • “Pange Lingua” in Simple (Contemporary) Polyphony for Three Voices
  • PDF Download • “Gregorian Chant Booklet” mailed by Pope Saint Paul VI to every bishop
  • My Response Surprised A Parishioner ‘Upset’ About Latin

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