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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

Gregorian Chant

Fr. David Friel · July 27, 2014

Is Recorded Music Okay for Children?

There is a prevalent notion that young people somehow need to be accommodated in the work of divine worship. As a former child, I find this to be an errant hankering.

Fr. David Friel · July 6, 2014

Colloquium Update IV

The Glories of A Single Proper

Richard J. Clark · May 30, 2014

Mass in Honor of the Blessed Virgin Mary, Star of the Sea

Michael Olbash’s “Mass in Honor of the Blessed Virgin Mary, Star of the Sea” demonstrates the mandate of Pope Saint Pius X that music for the liturgy be Sacred, Beautiful, and Universal.

Richard J. Clark · March 5, 2014

Misereris omnium | Ash Wednesday Introit

Few parishes are willing to sing Gregorian Introits for the Entrance Procession, but it is SIGNIFICANT that the very first Introit of Lent sings of God’s infinite MERCY.

Veronica Brandt · March 1, 2014

Preparing for Lent

Renewing the adventure of exploring Gregorian chant by making recordings.

Veronica Brandt · February 22, 2014

Color by “Neum”ber

A Gregorian chant workbook for kids (there’s one for adults too).

Richard J. Clark · February 7, 2014

Disparagement Is Not Helping the Cause of Liturgical Reform

Disparagement is not catechesis. It is destructive. If we are to catechize and evangelize, we must put God first, not our own preferences. Meanwhile, we must catechize and strive for the ideal.

Fr. David Friel · February 2, 2014

Youth in Favor of Sacred Music

Not a Negligible Niche

Fr. David Friel · January 10, 2014

Is Chant Just for Old-Heads?

The NY Frassati Fellowship Chant Workshop

Fr. David Friel · December 1, 2013

Chant Behind Bars

Might Chant Scholas Flourish in Prisons?

Jeff Ostrowski · November 30, 2013

Uh Oh … How do you spell “Ressurection” ?

The new Gregorian Missal (Solesmes, 2012) is a marvelous book.

Guest Author · November 2, 2013

“In Medio Ecclesiae” Album Release

The Dominican House of Studies schola has just released its first album, In Medio Ecclesiae, under the aegis of the newly founded Dominicana Records. The album is available now for download at www.dominicanablog.com/records; CD purchase coming soon.

Jeff Ostrowski · October 23, 2013

The Secret “Mora Vocis” of the Vatican Edition

Here are seven (7) videos explaining how to sing according to the rhythm of the Editio Vaticana (Vatican Edition) created by Abbot Pothier at the request of Pope Pius X.

Corpus Christi Watershed · October 13, 2013

Gregorian Chant Chironomy Video

What’s it like to attend the Sacred Music Colloquium?

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Corpus Christi Watershed

President’s Corner

    💲 5.00 💵
    Our tiny 501(c)3 nonprofit organization exists solely by generous readers who donate $5.00 per month. We have no endowment; we have no major donors; we run no advertisements; we have no savings. A donor wrote to us: “I so appreciate all you do and have done, and your generosity is unprecedented. I am honored to be able to make a monthly contribution.” Another monthly donor says: “Thank you for everything CC Watershed does. We are able to add so much solemnity to Holy Mass due to the resources made available here.” Can you spare a few dollars each month to help us survive?
    —Corpus Christi Watershed
    Dom Pothier • Photo from 1904
    Dom Paul Cagin, in a 1904 publication (L’oeuvre de Solesmes dans la restauration du chant grégorien) made sure to include a beautiful image of Dom Pothier, the legendary abbot of St-Wandrille. Also shown is a very young Dom André Mocquereau. Auguste Pécoul—considered the spiritual “son” of Abbat Prosper Guéranger of Solesmes—wrote as follows on 24 June 1901: “To forestall any confusion, let us remember that there is just one Gregorian notation—that restored, according to the ancient manuscripts, by the eminent Abbot of Saint-Wandrille, Dom Pothier.” ✠
    —Jeff Ostrowski
    PDF • “3-Voice Motet” (Father De Laet)
    I believe 99% of our readers will recognize this hymn tune. Perhaps Father Edgard De Laet should have called it a ‘hymn’ instead of a ‘motet for three voices’—but he’s technically correct, since MOTET is defined as: “a short piece of sacred choral music, typically polyphonic and unaccompanied.” The even verses are for three voices, as you will see if you download the PDF score at #20245. The odd verses may be song a cappella SATB or unison with organ.
    —Jeff Ostrowski

Quick Thoughts

    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
    “Reminder” — Month of January (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. Signing up couldn’t be easier: simply scroll to the bottom of any blog article and enter your email address.
    —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 is the choir that can make the most valuable contribution to the liturgy; it is through the choir that significant numbers of the congregation can make a significant and valuable offering in the community’s act of worship. The choir links directly academic excellence, artistic creation, disciplined attention and self expression in the making of something fitting for the worship of God.”

— Father Daniel Higgins, Choirmaster at Saint Edmund’s College, Ware

Recent Posts

  • 💲 5.00 💵
  • Dom Pothier • Photo from 1904
  • PDF Chart • “Plainsong Rhythm”
  • PDF • “3-Voice Motet” (Father De Laet)
  • PDF Download • “Hymn for 2 Voices”

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Corpus Christi Watershed is a 501(c)3 public charity dedicated to exploring and embodying as our calling the relationship of religion, culture, and the arts. This non-profit organization employs the creative media in service of theology, the Church, and Christian culture for the enrichment and enjoyment of the public.