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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

Archives for July 2017

Jeff Ostrowski · July 31, 2017

Major Typo • This Sunday’s Introit

Can you spot the error?

Fr. David Friel · July 30, 2017

Pastoral Care of Persons with Disabilites

Catholics with disabilities have a right to participate in the sacraments as fully as other members of the local ecclesial community.

Richard J. Clark · July 28, 2017

The “Charism” of Saying “No”

The ability to say “no” is an important gift of which much good can come, if used with wisdom, mercy, and kindness.

Jeff Ostrowski · July 27, 2017

How Is The “Kiss of Peace” Done Properly?

Do the Altar Servers receive the Kiss of Peace?

Jeff Ostrowski · July 27, 2017

Musical Resources • 8th Sunday after Pentecost

“We have received Thy mercy, O God, in the midst of Thy temple…”

Jeff Ostrowski · July 26, 2017

Seven Rules for Church Music (Sir Richard Terry)

“Is plainsong really so dull and dry as some of our singers would have us believe?”

Corpus Christi Watershed · July 25, 2017

Video • FSSP Altar Server Training Camp

The FSSP seminarians exceeded all expectations!

Christopher Mueller · July 25, 2017

What really happened at the Convocation of Catholic Leaders

Beautiful liturgical music happened—in a hotel ballroom, no less!

Jeff Ostrowski · July 24, 2017

“Tu Es Petrus” • Commissioned for the Symposium

This piece by Kevin Allen is based on the plainsong Communion antiphon.

Fr. David Friel · July 23, 2017

Seven Rules for Writing Sermons

Guidance from Bl. John Henry Cardinal Newman

Andrew Leung · July 20, 2017

Recording • Choral Mattins with John Rutter

Here is some great church music coming from the Anglican Cathedral of Hong Kong

Jeff Ostrowski · July 19, 2017

“Mode 4” • How To Teach Your Choir

Did you notice the “ups and downs” were omitted? The choir will fill those in…

Guest Author · July 19, 2017

Palestrina and the Perfecting of the Medieval Ideal of Music as Rational • (Part 3 of 3)

We look to Mary to understand the “self reflection” of sacred polyphony.

Jeff Ostrowski · July 18, 2017

Video • Wilko Brouwers

Can anyone identify the composer of this piece?

Jeff Ostrowski · July 17, 2017

Organ Improvisation • Stupefyingly Awesome!

Does this constitute an organic development?

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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

“The revision of the liturgical books must carefully attend to the provision of rubrics also for the people’s parts.”

— The Second Vatican Council (SC §31)

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