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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 · December 29, 2015

PDF • “The Truth Of Papal Claims” (Merry del Val)

Cardinal Raphael Merry del Val published this reply to a Protestant scholar in 1902.

Cynthia Ostrowski · December 29, 2015

Popular Posts From 2015

In case you missed any of these!

Jeff Ostrowski · December 28, 2015

A Myth That Needs To Die

“I never witnessed a Mass in the so-called Extraordinary Form that was done in 15 minutes.”

Jeff Ostrowski · December 28, 2015

Hollywood: Midnight Mass By Candlelight

The FSSP had a special Christmas Mass at their new Apostolate in Los Angeles.

Andrew Leung · December 26, 2015

New Choir Stalls for the Sistine Chapel Choir

The Sistine Chapel Choir sang beautifully at the Midnight Mass at St. Peter’s Basilica.

Richard J. Clark · December 25, 2015

Christmas and the Universal Role of Music

The birth of Christ recalls a specific time and place as does the music of Christmas. It is sacred music that has poured out into an increasingly secular world.

Jeff Ostrowski · December 24, 2015

Musical Resources • Christmas Midnight Mass (Extraordinary Form)

We won’t be singing “Frosty The Snowman” for Offertory!

Andrew Leung · December 22, 2015

Video • Holy Mass in Hollywood, 1944

A video of the Christmas Solemn High Mass in Hollywood film, “Christmas Holiday”

Andrew Leung · December 21, 2015

Sing Like the Angels

We can learn from the best choir, the Holy Angels!

Fr. David Friel · December 20, 2015

Pope Francis on Collaboration of the Lay Faithful

Remarks during the Ad Limina Visit of the German Bishops

Veronica Brandt · December 19, 2015

Epiphany Proclamation

It is solemnly made known, dearest brethren that, just as we through the bounteous mercy of God, have rejoiced in the Birth of Our Lord Jesus Christ, likewise should we proclaim the joy of the Resurrection of this same Saviour.

Richard J. Clark · December 18, 2015

Podcast • Advent Communion Propers on “Sounds from the Spires”

There is such richness in the scriptures we sing in Advent. This is the kind of thing I find exciting! I am grateful to have discussed the propers with Dr. Pascual, Director of Music at St. Patrick’s Cathedral.

Andrew Leung · December 17, 2015

The “O Antiphons” Begin Tonight

Starting tonight, the “O Antiphons” are prayed at Vespers. A recording of James MacMillan’s “Veni, Veni, Emmanuel” is also included in this post.

Jeff Ostrowski · December 17, 2015

Sacred Vs. Secular • What Do You Think?

My performance leaves much to be desired, but you get the idea.

Dr. Alfred Calabrese · December 17, 2015

An Antidote For Clericalism: Sung Vespers

The public singing of Vespers is an antidote to the kind of clericalism frequently condemned by Pope Francis.

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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

    “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 spark of conversion can be struck by a single perfect liturgical gesture.”

— Cristina Campo (1966)

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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.