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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

Fr. David Friel · September 18, 2016

Improving the Liturgy

Reflections on the Status of the Liturgical Movement

Jeff Ostrowski · September 16, 2016

Musical Resources • 18th Sunday after Pentecost

“Let the operation of Thy mercy, we beseech Thee O Lord, direct our hearts…”

Andrew Leung · September 15, 2016

The Power of Sacred Music

True Sacred Music brings hope and joy to those suffering.

Cynthia Ostrowski · September 14, 2016

“Matri Divinæ Gratiæ” • 3-voice Motets (SAB)

Kevin Allen has released a collection every Roman Catholic choir will treasure!

Jeff Ostrowski · September 14, 2016

Do You Recognize This Hymn Tune?

One man’s hymn sensitivities are another man’s…

Jeff Ostrowski · September 13, 2016

A Blemish On Hymnody Printing?

The word “Thy” is used in the Lord’s Prayer at every Mass, yet nobody struggles to understand it.

Jeff Ostrowski · September 12, 2016

Greatest Church Music Book Ever Written?

This volume by Paul Hume is supremely addictive!

Fr. David Friel · September 11, 2016

Composition Contest

Submissions Sought by the Conference of Roman Catholic Cathedral Musicians

Jeff Ostrowski · September 10, 2016

Chief Reasons For Mass “Facing The People”

Are you being rude to people sitting in pews behind you?

Jeff Ostrowski · September 9, 2016

A Serious Question About Vatican II

Vatican II spoke of “useless repetitions” in the liturgy, and said these should be examined…

Richard J. Clark · September 9, 2016

Three Things that Inform the Work of Every Parish: Hospitality, Catechesis, Evangelization

These three elements inform most every aspect of our service to God and the faithful.

Andrew Leung · September 8, 2016

Ten Reflections on “Pride of Place”

Giving Gregorian Chant the “pride of place” is more than just singing the Propers.

Jeff Ostrowski · September 6, 2016

Musical Resources • 17th Sunday after Pentecost

“We implore Thy majesty, O Lord, that the holy mysteries we are celebrating may free us of past sins and save us from future sins.”

Dr. Lucas Tappan · September 6, 2016

The Current Heresy

He was right, I spoke an unforgivable heresy—boys and girls are different.

Guest Author · September 5, 2016

Guest Article: “Why That Hymn Doesn’t Work”

Twelve Criteria to Help Explain Yourself

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Corpus Christi Watershed

President’s Corner

    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
    Music List • (1st Sunday of Lent)
    Readers have expressed interest in seeing the ORDER OF MUSIC I’ve prepared for this coming Sunday—22 February 2026—the 1st Sunday of Lent (Year A). If such a thing interests you, feel free to download it as a PDF file. As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are available at the outstanding feasts website alongside the official texts in Latin. I spent an enormous amount of time preparing this ORDER OF MUSIC—because the children’s choir will join us—and some of its components came out great. For example, the COMMUNION ANTIPHON with Fauxbourdon is utterly resplendent, yet still ‘Lenten’.
    —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

“How on earth in the [post-conciliar] liturgy for the dead should there be no more mention of sin and expiation? There’s a complete absence of imploring the Lord’s mercy. […] Although the texts were beautiful they were still lacking in the sense of sin and the sense of mercy. But we need this! And when my final hour comes, ask for mercy for me from the Lord, because I have such need of it!”

— Pope Saint Paul VI (3 June 1971)

Recent Posts

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  • PDF Download • “Pange Lingua” in Simple (Contemporary) Polyphony for Three Voices
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  • Fulton J. Sheen • “24-Hour Catechism”

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