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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

Corpus Christi Watershed

Corpus Christi Watershed · December 8, 2016

Print This For Your Children To Color

Courtesy of John Sonnen.

Corpus Christi Watershed · November 28, 2016

Today Only! 40% off musical scores

Why not pick up a copy of Kevin Allen’s “Matri Divinae” collection?

Corpus Christi Watershed · November 24, 2016

Thanksgiving

Pope Francis has said: “Friar Junípero was one of the founding fathers of the United States.”

Corpus Christi Watershed · November 23, 2016

Cardinal Sarah Visits The Monastery of Solesmes

If you read French, you’ll understand these homilies.

Corpus Christi Watershed · November 9, 2016

Sonnen: “I’ve never seen such a fine work of art.”

Spot an ancient chasuble or rare picture of St. Wojtyła? Odds are it came from John Paul Sonnen.

Corpus Christi Watershed · October 20, 2016

Dr. Jennifer Donelson Conducting Seminarians

Kevin Allen’s beautiful “Domine, Non Sum Dignus” has also been sung for Vatican Masses.

Corpus Christi Watershed · September 22, 2016

“For Immediate Release” • Re: Society for Catholic Liturgy Conference in Los Angeles

Archbishop Gomez will still speak, but the venue for Saturday has changed.

Corpus Christi Watershed · September 4, 2016

Impressive Video — “Ad Orientem” Celebration

“Do it gradually, with proper catechesis, to avoid shocking the people.” —Most Rev’d Gracida

Corpus Christi Watershed · July 15, 2016

Photograph • Robert Cardinal Sarah “Ad Orientem”

“Dear Fathers, we should listen to the lament of God proclaimed by the prophet Jeremiah: «They have turned their back to me» (2:27). Let us turn again towards the Lord!”

Corpus Christi Watershed · July 11, 2016

The Vatican Has Already Responded To Cardinal Nichols Regarding “Ad Orientem”

“No preference is expressed in the liturgical legislation for either position.”

Corpus Christi Watershed · July 7, 2016

Cardinal Sarah “Reform of the Reform” (5 July 2016) • Full Address in French & English

Breathtaking statements from the Vatican’s chief liturgist who—while on retreat—goes 72 hours without food or water.

Corpus Christi Watershed · July 4, 2016

Make A Donation Using PayPal

You can also donate using PayPal, even though we prefer Cornerstone.

Corpus Christi Watershed · July 2, 2016

Rev’d Fr. Adrian Fortescue (1874-1923)

At the time of his death, Fortescue was Professor of Church History at St. Edmund’s College, Ware—the oldest Catholic school in England.

Corpus Christi Watershed · January 12, 2016

“Savior of EWTN” According To Raymond Arroyo

“Karol Cardinal Wojtyla asked me hundreds of questions. We became friends. I have a cherished place for him in my heart.” —Bishop Gracida

Corpus Christi Watershed · December 5, 2015

Saint Nicholas — “Identity Theft”

Since we are getting closer to Christmas …

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Corpus Christi Watershed

President’s Corner

    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
    2-Voice Arrangement for Lent
    Those seeking a two-voice arrangement for LENT and PASSIONTIDE should click here and scroll down. It’s based on number 775 in the Brébeuf Hymnal, with an enchanting melody written by Kevin Allen (the legendary American composer of sacred music). That text—“Pendens In Crucis Cornibus”—is often used for the Feast of our Lady of Sorrows. That link is important because, in addition to the musical score, it provides free rehearsal videos for each individual voice: something volunteer choirs appreciate!
    —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

What earlier generations held as sacred, remains sacred and great for us too, and it cannot be all of a sudden entirely forbidden or even considered harmful.

— Pope Benedict XVI, Letter accompanying “Summorum Pontificum” (7/7/07)

Recent Posts

  • The Weekday Communions of Lent
  • PDF Download • “Atténde Dómine”
  • “Chant Is Not a Penitential Act” • Lenten Reflection by Daniel Marshall
  • (Ash Wednesday) • Medieval Illumination Depicting the Distribution of Ashes
  • Music List • (1st Sunday of Lent)

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