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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

Jeff Ostrowski · July 17, 2013

The Organ Book of Adrian Fortescue

Charles Cole has saved me a trip!

Andrew R. Motyka · July 17, 2013

Making Your Bed

Show and tell. Mostly show.

St. Edmund Campion Missal and Hymnal · July 17, 2013

Interview about Campion Missal, 2nd Edition

“Our hope is that the Campion Missal, in spite of its flaws, will allow Catholics to assist at Mass with greater devotion.” —Jeff Ostrowski

Jeff Ostrowski · July 16, 2013

Something We Humans Detest: Hypocrisy!

“Members of this American liturgical/musical establishment continually boast about their flexibility and sensitivity, but they are in fact the most rigid and insensitive of the Church’s members, especially if one has the temerity to challenge them, their policies, their processes, or their programs.” — Paul Le Voir (1993)

Jeff Ostrowski · July 16, 2013

Pavane for a Dead Princess — Maurice Ravel

One thing I’ve wanted to do for years is write about the Jesuit Martyrs of North America and share their stories with the world. I have failed.

Cynthia Ostrowski · July 15, 2013

Catholic Line Art, Black and White • Installment #25

I will be releasing hundreds of these B/W religious line art drawings for free and instant download. These beautiful Catholic “woodcuts” were done with magnificent skill. “Download Free Traditional Catholic Clipart”

Fr. David Friel · July 14, 2013

A Visual Catechism

Showing Forth the Beauty of God

Veronica Brandt · July 13, 2013

What’s new with the age old chant?

Gregorio has a wiki and ideas on typing up semiology.

Richard J. Clark · July 12, 2013

Chant Is Countercultural and Revolutionary

Chant does certain things exceedingly well that modern culture eschews. It stops time. It simultaneously quiets the soul and directs our attention to God . . . these things are abhorred by modern culture.

Dr. Peter Kwasniewski · July 11, 2013

Silence (Part 1 of 3)

The New Evangelization is a bold project, but it will not succeed unless we can recover a strong sense of the sacred, which the gift of silence in church will help us achieve.

Jeff Ostrowski · July 11, 2013

Bishop Fulton Sheen & Mass in Vietnamese

More than 100,000 persons saw and heard Church history in the making as Auxiliary Bishop Fulton J. Sheen of New York celebrated the first Pontifical Mass ever said in English.

Andrew R. Motyka · July 10, 2013

What is epiclesis?

Fast food and the Third Person of the Holy Trinity.

Cynthia Ostrowski · July 9, 2013

Catholic Line Art, Black and White • Installment #24

I will be releasing hundreds of these B/W religious line art drawings for free and instant download. These beautiful Catholic “woodcuts” were done with magnificent skill. “Download Free Traditional Catholic Clipart”

Corpus Christi Watershed · July 9, 2013

Pope Francis Will Canonize Pope John Paul II

“Those who worship are not passive, for instance, when listening to the readings or the homily, or following the prayers of the celebrant, and the chants and music of the liturgy.” — John Paul II

Jeff Ostrowski · July 9, 2013

Why are the Psalms numbered differently?

Why don’t the Psalm numbers match? This 1-page, printable PDF sheet will show you clearly the difference between the Greek and Hebrew numbering systems.

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Corpus Christi Watershed

President’s Corner

    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
    PDF Download • “Hymn for 2 Voices”
    Readers who click on this video will see that it starts with verses of the “Pange Lingua” hymn by Saint Thomas Aquinas (d. 1274) arranged for two voices. However, there’s a polyphonic refrain (“Tantum Ergo”) for three voices, taken from Kevin Allen’s Motecta Trium Vocum. If your choir is very small, this piece is for you! You can download the PDF score free of charge—and you can also utilize the rehearsal videos for each individual voice—by navigating yourself to #20323.
    —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

“What matters is to prefer God to all else; to be ready to sacrifice all, rather than commit one sin.”

— Cardinal Merry Del Val (shortly before his death)

Recent Posts

  • Dom Pothier • Photo from 1904
  • PDF Chart • “Plainsong Rhythm”
  • PDF • “3-Voice Motet” (Father De Laet)
  • PDF Download • “Hymn for 2 Voices”
  • (January 2026) • “Children Singing Plainsong”

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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.