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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

Dr. Gregory Hamilton • Article Archive

Dr. Gregory Hamilton is a widely published composer and accomplished performer. His compositions include works for organ, piano, choir, flute, cello, and orchestra. An active conductor, Dr. Hamilton also performs extensively as a soloist and accompanist on the organ, piano, harpsichord. He has also performed regularly on the keyboard, theorbo and lute with the Orchestra of New Spain. He is currently on the faculty of Holy Trinity Seminary in Dallas TX.—Read full biography (with photographs).

Dr. Gregory Hamilton · April 20, 2024

Dr. Hamilton • “Totally Random (But Hopefully Not Useless) Thoughts About Choirs”

We must gauge rehearsal time so as not to totally bore the skilled members, while still making sure to do what’s needed to help lesser-skilled members.

Dr. Gregory Hamilton · February 25, 2023

Has this all been our fault?

It seems to me that our responsibility of teaching the Faith through music is much more serious than is commonly perceived.

Dr. Gregory Hamilton · September 10, 2021

Reflections On A Prophetic Document

There is much here to contemplate, written by a man with a deep reverence for the Sacred Liturgy and Music of the church…

Dr. Gregory Hamilton · September 3, 2020

(Installment #5) “Catholic Hymnals” • Dr. Gregory Hamilton

The word “hymn” is one of the earliest music words in all languages…

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Dr. Gregory Hamilton · July 20, 2020

Biography • Dr. Gregory Hamilton

Dr. Gregory Hamilton is a widely published composer and accomplished performer currently on the faculty of Holy Trinity Seminary in Dallas TX.

Dr. Gregory Hamilton · April 1, 2020

Repeating Repertoire? • Dr. Hamilton

Psalm 51 occurs a dozen times in the lectionary during the year, for such diverse days such as St. Thomas Aquinas, weekdays during ordinary Time, many days in Lent, and the Easter Vigil.

Dr. Gregory Hamilton · March 10, 2020

Psalms, Psalmody, Psalmists, Psalm Singing

Some of you may not know, but in seminaries and houses of religious, the 150 psalms are still recited or sung every month.

Dr. Gregory Hamilton · February 20, 2020

Secret Sympathy

“Our souls are moved to the ardor of piety by the sacred words more piously and powerfully when these words are sung…” —St. Augustine

Dr. Gregory Hamilton · January 28, 2020

“Performance” and the Liturgy.

I have sometimes been told that I was “performing” in the Liturgy, and this has made me think about the meaning of this term and why people say it…

Dr. Gregory Hamilton · January 18, 2020

Of Weddings, Funerals and other Comedies

A lot of what we do in serving our communities is rather unglamorous…

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Dr. Gregory Hamilton · March 27, 2019

Beauty in the Service of the Lord

“Recently, playing a prelude before a Mass, I thought of the preeminence of beauty in our faith.” —Dr. Hamilton

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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

“We must acknowledge that We have been somewhat disturbed and saddened by these requests. One may well wonder what the origin is of this new way of thinking and this sudden dislike for the past.” [Paul VI responding to requests from monks asking permission to remove Latin from the Divine Office.]

— Pope Saint Paul VI (15 August 1966)

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  • “Reminder” — Month of Febr. (2026)
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  • Dom Pothier • Photo from 1904

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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.