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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

Jeff Ostrowski • Article Archive

A theorist, organist, and conductor, Jeff Ostrowski holds his B.M. in Music Theory from the University of Kansas (2004). He completed studies in Education and Musicology at the graduate level. Having worked as a church musician in Los Angeles for ten years, in 2024 he accepted a position as choirmaster for Saint Mary of the Immaculate Conception in Michigan, where he resides with his wife and children. —Read full biography (with photographs).

Jeff Ostrowski · April 22, 2014

More unites us than divides us!

Musicians tend to be very “picky” people who don’t get along with one another.

Jeff Ostrowski · April 18, 2014

Proclaim the Passion in a “Theatrical” Manner?

Scripture at Mass is an act of worship: it is not purely didactic, nor is it a make-believe drama that we must re-enact with emotion.

Jeff Ostrowski · April 15, 2014

Free PDF Download: The Fulton J. Sheen Sunday Missal (1961)

Archbishop Sheen did not produce this Missal alone: it was a joint effort by many, especially the Jesuit priests Rev. Philip Caraman and Rev. James Walsh.

Jeff Ostrowski · April 15, 2014

Live Recording — Small Choir of Ninth Grade Singers (October, 2006)

What can one say about the “Art of the Fugue” by J. S. Bach? Marvelous. Simply marvelous.

Jeff Ostrowski · April 7, 2014

Preconciliar Missal Allowed Mass “Versus Populum”

These same exact rubrics have been found in Missals published in 1962, 1927, 1943, 1906, and 1886.

Jeff Ostrowski · April 6, 2014

Are Hymns Boring?

I love hymns … sung properly, that is!

Jeff Ostrowski · April 1, 2014

Courses In The Ward Method … This Summer!

This summer, the Catholic University of America is offering training in the Ward method.

Jeff Ostrowski · March 30, 2014

Audrey Hepburn, Fulton J. Sheen, & Church Singers Who Can’t Read Music

Do you direct choir members with flaws? Do you direct choir members who can’t read music? BE COMFORTED!

Jeff Ostrowski · March 27, 2014

“Turn Those Altars Around!” — Cardinal Lercaro, Consilium President (1965)

Could this be the missing link explaining why “versus populum” celebrations took over?

Jeff Ostrowski · March 26, 2014

“Confusion and Annoyance” — Pope Paul VI on the New Liturgy (1965)

“Previously it was enough to be there; now we must participate. Previously one could doze or perhaps even have a chat; but no longer; now one must listen and pray.” — Pope Paul VI, 17 March 1965

Jeff Ostrowski · March 25, 2014

“The Most Beautiful Thing This Side Of Heaven”

A wonderful 18-minute sermon by Fr. Christopher Smith.

Jeff Ostrowski · March 24, 2014

What did Pope John Paul II think of the Cappa Magna?

The cappa magna has a five-meter-long train. Pius XII shortened it to 3 meters, but it’s said that John XXIII restored the ordinary length.

Jeff Ostrowski · March 19, 2014

“Anticipated” Mass or “Vigil” Mass on Saturday Night?

“Father Calewaert opposed the proposal because it would gravely damage Sunday.”

Jeff Ostrowski · March 17, 2014

Gregorian Chant As A “Weapon” — Seriously?

A drafter of USCCB guidelines on church music has said: “Some individuals and organizations seemingly use chant as a weapon to advance their agenda and judge others.”

Jeff Ostrowski · March 11, 2014

1970s Theology Has Affected The Celebration Of Mass

“The first task of all specially designated ministers is to serve the assembly. Their conscious and deliberate target is to help the assembly bring itself to life…” — Fr. Eugene Walsh

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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

“To get people together once a week without an objective is deadly.”

— Dr. Roger Wagner (19 December 1960)

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