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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

Dr. Charles Weaver · August 9, 2023

PDF Download • Palestrina’s Most Famous Mass Simplified

“I find Anerio’s work here to be excellent, and I hope you do as well.” —Dr. Charles Weaver

Jeff Ostrowski · August 9, 2023

“Stations of the Cross” • By Fulton J. Sheen?

Bishop Brennan selected the version by Fulton J. Sheen. He began weeping (towards the final station) because of their beauty and poignancy.

Matthew Frederes · August 8, 2023

“Graduale Romanum” • Rare Edition from 1661 A. D.

Today we release an exceedingly rare 1661 edition of the Graduale Romanum, in high resolution and in full color!

Jeff Ostrowski · August 7, 2023

PDF Download • Professionally-Scanned “Missale Romanum” (1957) with American Feasts

Sometimes you win and sometimes you learn!

Dr. Lucas Tappan · August 4, 2023

Should Every Child Be Accepted Into the Choir?

My assistant and I recently had the privilege while in England to have lunch with Dr. Ronny Krippner…

Jeff Ostrowski · August 2, 2023

Are These “Evil” Priests? • (Not Joking)

The professor inserted himself into our conversation, saying: “You’re both being foolish…”

Jeff Ostrowski · August 1, 2023

“Choirmasters, Can I See You?”

The day Father Valentine bowed alongside me…

Jeff Ostrowski · July 30, 2023

Nine (9) Ways to Save Catholic Church Music

If music sung at Church resembles a toothpaste commercial, a Broadway show, or a campfire song—does it really belong at Mass?

Richard J. Clark · July 26, 2023

Theodore Marier Is the Most Important Liturgical Musician—Even Today.

“The more I learn about Marier, the more I am inspired to be a better human being.” —Richard J. Clark

Jeff Ostrowski · July 25, 2023

William F. Buckley and Solesmes Abbey

Confirmed: Full archives of “Triumph” (a 1960s Roman Catholic magazine) are available online!

Jeff Ostrowski · July 25, 2023

Splendid Repertoire for (Reduced) Summer Choirs!

Here’s a technique you must try with your choir.

Daniel Tucker · July 24, 2023

Unanswered Questions on the Liturgy of the Hours

On some finer details of the project that, as far as I’m aware, have not been definitively settled…

Corpus Christi Watershed · July 24, 2023

(Clip) • Fr. Mike Schmitz endorses “Ad Orientem”

Is celebration “versus populum” a good idea? Father Mike’s answer might raise some eyebrows…

Patrick Williams · July 24, 2023

Gregorian Rhythm Wars • “Patrick’s Fifth Reply to Jeff” (24 July 2023)

“Now all you have to do is connect the dots for yourself.” —Patrick Williams

Corpus Christi Watershed · July 22, 2023

Our Editorial Policy

Over the years, we’ve received beautiful messages of encouragement.

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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

“It is when they are practicing that large groups stop in order to sleep; they don’t give themselves a new impetus after a pause (even if it is minimal) and singers pause when they should not (quarter-bar, half-bar)—everything provides temptation to go to sleep! It is thus not a question of rhythm but of musical integrity.”

— Justine Ward (20 July 1952)

Recent Posts

  • Music List • (2nd Sunday of Lent)
  • PDF Download • “Funerals in the Ordinary Form”
  • Extreme Unction
  • Like! Like! Like!
  • Which Mass?

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