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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

Richard J. Clark · December 4, 2015

A Midlife Crisis and My Funeral

At my funeral, please pray for my soul. Please don’t “celebrate my life” (do that after…) or “celebrate my resurrection.” Pray.

Andrew Leung · December 3, 2015

Video • The Voice of St. John Paul the Great

Two videos of John Paul II’s singing

Andrew Leung · December 3, 2015

CMAA Winter Sacred Music Workshop

Registration is now open for the CMAA Winter Sacred Music Workshop in Houston

Dr. Lucas Tappan · December 2, 2015

Sir Colin Mawby Composes Special “Ave Maria” For Kansas Choristers

Mr. Mawby emailed me two weeks after sending the music, saying he’d already purchased his plane ticket and would see us in Rome!

Jeff Ostrowski · December 2, 2015

Introit For The Immaculate Conception (8 December)

“Gaudens Gaudebo” is not a short Introit.

Veronica Moreno · December 2, 2015

On Stillness

This blog post is about a four-year-old who behaves at Mass and how the Extraordinary Form allows a father to learn to behave better at Mass.

Jeff Ostrowski · December 1, 2015

The Most Important Thing A Choirmaster Can Do

Sometimes it takes decades to appreciate the genius of this or that Gregorian chant.

Jeff Ostrowski · November 30, 2015

Changing The Good Friday Prayer For The Jews

“Christianity is the perfect development of the Jewish religion…” —Fr. Leslie Rumble

Jeff Ostrowski · November 29, 2015

Musical Resources • First Sunday of Advent (Extraordinary Form)

“Arise in thy strength, we beseech thee, O Lord, and come…”

Jeff Ostrowski · November 27, 2015

Clarity Regarding The Pius XII “Turkey” Indult

Whether this rumor is accurate makes no difference, because the rules for Friday abstinence were changed in the 1960s.

Richard J. Clark · November 27, 2015

American Influence on the Liturgy

The liturgy suffers under the weight of the culture of mediocrity and instant gratification. Most distressing is a false sense of liberty that promotes a sense of entitlement, placing the preferences and opinions of the individual above all else.

Jeff Ostrowski · November 24, 2015

Our Church Music Movement: How Are We Doing?

I never dreamed that so many people love this stuff…and are willing to fight for it!

Fr. David Friel · November 23, 2015

An Extraordinary Event: NCYC 2015

Traditional Mass offered at National Catholic Youth Conference

Fr. David Friel · November 22, 2015

St. Cecilia Academy for Pastoral Musicians

The program seeks to broaden the knowledge of already well trained musicians so that they can become well trained liturgical musicians.

Andrew Leung · November 19, 2015

What can Men Do Against such Reckless Hate?

“This will be our reply to violence: to make music more intensely, more beautifully, more devotedly than ever before.” —Leonard Bernstein

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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

“…it would be a very praiseworthy thing and the correction would be so easy to make that one could accommodate the chant by gradual changes; and through this it would not lose its original form, since it is only through the binding together of many notes put under short syllables that they become long without any good purpose when it would be sufficient to give one note only.”

— Zarlino (1558) anticipating the Medicæa

Recent Posts

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  • Fulton J. Sheen • “24-Hour Catechism”

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