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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

President's Corner

Jeff Ostrowski · May 23, 2025

How Well Does ICEL Know Latin?

For the last fifty-five years, anyone who’s attempted to correct such errors has been threatened with legal action.

Jeff Ostrowski · May 21, 2025

Is the USCCB trolling us?

Confusing! The 2nd reading & Gospel from the 7th Sunday of Easter may be read on the 6th Sunday of Easter.

Jeff Ostrowski · May 20, 2025

“Common” Responsorial Psalm?

I try never to argue about liturgical legislation…

Jeff Ostrowski · May 15, 2025

“Music List” • 5th Sunday of Easter (Year C)

Readers have expressed interest in examining the “music list” I prepared for this coming Sunday.

Jeff Ostrowski · May 14, 2025

Communion Chant (5th Sunday of Easter)

This particular chant was “rescued” from obscurity in 1969.

Jeff Ostrowski · May 10, 2025

“Music List” • 4th Sunday of Easter (Year C)

Readers have expressed interest in examining the “music list” I prepared for this coming Sunday.

Jeff Ostrowski · May 8, 2025

“Entrance Chant” • 4th Sunday of Easter

This “Entrance Chant” is used during liturgical years A, B, and C.

Jeff Ostrowski · May 6, 2025

Music List • “Repertoire for Weddings”

When couples are getting married, they often request musical guidance.

Jeff Ostrowski · May 6, 2025

Beginning a Men’s Schola

I feel like we have a great start…

Jeff Ostrowski · May 5, 2025

“Reminder” — Month of May (2025)

Since a new month has arrived, it’s my pleasure to remind you that…

Jeff Ostrowski · May 4, 2025

“Music List” • 3rd Sunday of Easter (Year C)

Readers have expressed interest in examining the “music list” I prepared for this coming Sunday.

Jeff Ostrowski · May 2, 2025

Communion (3rd Sunday of Easter)

This piece is sung by either all men or all women.

Jeff Ostrowski · April 29, 2025

“Entrance Chant” • 3rd Sunday of Easter

This “Entrance Chant” is used during liturgical years A, B, and C.

Jeff Ostrowski · April 23, 2025

“Reminder” — Month of April (2025)

Since a new month has arrived, it’s my pleasure to remind you that…

Jeff Ostrowski · April 18, 2025

“Music List” • Easter Sunday

Readers have expressed interest in examining the “music list” I prepared for this coming Sunday.

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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

“Vatican II did not say anything about the direction of the celebrant. […] I love both directions of celebrating Mass. Both are full of meaning for me. Both help me to encounter Christ—and that is, after all, the purpose of the liturgy.”

— Christoph Cardinal Schönborn (February 2007)

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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