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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

Gregorian Chant

Fr. David Friel · July 27, 2014

Is Recorded Music Okay for Children?

There is a prevalent notion that young people somehow need to be accommodated in the work of divine worship. As a former child, I find this to be an errant hankering.

Fr. David Friel · July 6, 2014

Colloquium Update IV

The Glories of A Single Proper

Richard J. Clark · May 30, 2014

Mass in Honor of the Blessed Virgin Mary, Star of the Sea

Michael Olbash’s “Mass in Honor of the Blessed Virgin Mary, Star of the Sea” demonstrates the mandate of Pope Saint Pius X that music for the liturgy be Sacred, Beautiful, and Universal.

Richard J. Clark · March 5, 2014

Misereris omnium | Ash Wednesday Introit

Few parishes are willing to sing Gregorian Introits for the Entrance Procession, but it is SIGNIFICANT that the very first Introit of Lent sings of God’s infinite MERCY.

Veronica Brandt · March 1, 2014

Preparing for Lent

Renewing the adventure of exploring Gregorian chant by making recordings.

Veronica Brandt · February 22, 2014

Color by “Neum”ber

A Gregorian chant workbook for kids (there’s one for adults too).

Richard J. Clark · February 7, 2014

Disparagement Is Not Helping the Cause of Liturgical Reform

Disparagement is not catechesis. It is destructive. If we are to catechize and evangelize, we must put God first, not our own preferences. Meanwhile, we must catechize and strive for the ideal.

Fr. David Friel · February 2, 2014

Youth in Favor of Sacred Music

Not a Negligible Niche

Fr. David Friel · January 10, 2014

Is Chant Just for Old-Heads?

The NY Frassati Fellowship Chant Workshop

Fr. David Friel · December 1, 2013

Chant Behind Bars

Might Chant Scholas Flourish in Prisons?

Jeff Ostrowski · November 30, 2013

Uh Oh … How do you spell “Ressurection” ?

The new Gregorian Missal (Solesmes, 2012) is a marvelous book.

Guest Author · November 2, 2013

“In Medio Ecclesiae” Album Release

The Dominican House of Studies schola has just released its first album, In Medio Ecclesiae, under the aegis of the newly founded Dominicana Records. The album is available now for download at www.dominicanablog.com/records; CD purchase coming soon.

Jeff Ostrowski · October 23, 2013

The Secret “Mora Vocis” of the Vatican Edition

Here are seven (7) videos explaining how to sing according to the rhythm of the Editio Vaticana (Vatican Edition) created by Abbot Pothier at the request of Pope Pius X.

Corpus Christi Watershed · October 13, 2013

Gregorian Chant Chironomy Video

What’s it like to attend the Sacred Music Colloquium?

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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
    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
    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

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

“The Chasuble, or upper garment, represents the purple garment which the soldiers put upon Jesus Christ, and the heavy cross that He carried on His blessed shoulders to Mount Calvary.”

— Guide for the Laity (1875)

Recent Posts

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