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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

Traditional Catholic Artwork

Fr. David Friel · May 13, 2021

The Ascension Depicted in the Rabbula Gospel Book

This is one of the earliest Christian manuscripts to be illuminated with (the oxymoronic) “large miniatures.”

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Fr. David Friel · February 14, 2021

New Monthly Companion for the Extraordinary Form

“Benedictus: The Traditional Catholic Companion” is an initiative of Sophia Institute Press.

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Fr. David Friel · February 23, 2020

Exploring the 5th/6th-Century Mosaics of Ravenna

These magnificent images are not only attractive to behold, but also deeply theological.

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Fr. David Friel · November 2, 2019

Holy Souls in Purgatory • 15th-Century Missal Illumination

Detail from the Missal of Eberhard von Greiffenklau

Fr. David Friel · October 15, 2017

6th-Century Icon: God of Mercy and Justice

A thoughtful reading of an icon at the Holy Monastery of Saint Catherine in Sinai, Egypt

Fr. David Friel · April 2, 2017

Two Articles Worth Reading

On “Liturgiam authenticam” and the Crisis in Art

Fr. David Friel · August 21, 2016

Essence, Form, Experience

Fourth Annual Art of the Beautiful Lecture Series

Fr. David Friel · July 27, 2015

The Church of Our Savior

And the Case of the Vanishing Icons

Gwyneth Holston · June 23, 2014

Archbishop Sample’s Letter On Sacred Music (8 of 8)

Eagerly awaiting a Pastoral Letter on Sacred Art in Divine Worship.

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Gwyneth Holston · May 30, 2014

Artist Lecture Series at Thomas More College

If you are in New England July 25 – August 1, you don’t want to miss this!

Gwyneth Holston · April 7, 2014

“Crucifixion” by Pierre-Paul Prud’hon

A striking image that should be more well-known.

Gwyneth Holston · March 31, 2014

What is Catholic Art?

Help me define the indefinable.

Fr. David Friel · March 30, 2014

Saints Who Were Artists

A Catalog

Gwyneth Holston · March 24, 2014

Jubilee Museum Sacred Art Biennial 2014

Call for entries for visual artists!

Gwyneth Holston · March 17, 2014

Finally! A Manly Saint Joseph

I’m not sure why, but there are an unusually high number of saccharine depictions St. Joseph. This is not one of them.

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Corpus Christi Watershed

President’s Corner

    Music List • (2nd Sunday of Lent)
    Readers have expressed interest in seeing the ORDER OF MUSIC I created for this coming Sunday, which is the 2nd Sunday of Lent (1 March 2026). If such a thing interests you, feel free to download it as a PDF file. This feast has magnificent propers. Its somber INTROIT is particularly striking—using a haunting tonality—but the COMMUNION with its fauxbourdon verses is also quite remarkable. I encourage all the readers to visit the feasts website, where the Propria Missae may be downloaded completely free of charge.
    —Jeff Ostrowski
    Like! Like! Like!
    You won’t believe who recently gave us a “like” on the Corpus Christi Watershed FACEBOOK PAGE. Click here (PDF) to see who it was. We were not only sincerely honored, we were utterly flabbergasted. This was truly a resounding endorsement and unmistakable stamp of approval.
    —Jeff Ostrowski
    Which Mass?
    In 1905, when the Vatican Commission on Gregorian Chant began publishing the EDITIO VATICANA—still the Church’s official edition— they assigned different Masses to different types of feasts. However, they were careful to add a note (which began with the words “Qualislibet cantus hujus Ordinarii…”) making clear “chants from one Mass may be used together with those from others.” Sadly, I sometimes worked for TLM priests who weren’t fluent in Latin. As a result, they stubbornly insisted Mass settings were ‘assigned’ to different feasts and seasons (which is false). To understand the great variety, one should examine the 1904 KYRIALE of Dr. Peter Wagner. One should also look through Dom Mocquereau’s Liber Usualis (1904), in which the Masses are all mixed up. For instance, Gloria II in his book ended up being moved to the ‘ad libitum’ appendix in the EDITIO VATICANA.
    —Jeff Ostrowski

Quick Thoughts

    Extreme Unction
    Those who search Google for “CCCC MS 079” will discover high resolution images of a medieval Pontificale (“Cambridge, Corpus Christi College, MS 079”). One of the pages contains this absolutely gorgeous depiction of the Sacrament of Extreme Unction.
    —Corpus Christi Watershed
    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

“Then, when the later great Germans arrived, Haydn, Mozart, and Beethoven—all secular composers—and tried their hands at sacred music, they set Roman Catholic words to music which in form and spirit is Protestant.”

— Sir Richard Runciman Terry (1912)

Recent Posts

  • Fulton J. Sheen • “24-Hour Catechism”
  • Music List • (2nd Sunday of Lent)
  • PDF Download • “Funerals in the Ordinary Form”
  • Extreme Unction
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