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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 · November 25, 2023

Seven (7) Hymn Verses for November!

In the month of November, we remember in a special way the souls in purgatory. The BRÉBEUF HYMNAL often includes text alone versions for its hymns; why is that? The short answer is: flexibility. The “text only” version allows each choirmaster to employ a myriad of melodies. For example, I recently set the English translation […]

Jeff Ostrowski · November 22, 2023

Worst Hymn Pairing Of All Time?

Are there sickening examples of hymn pairings? Oh, most certainly!

Jeff Ostrowski · November 17, 2023

Jeff’s Attempt at Pipe Organ “Stops”

I’ve been attempting to record some Brébeuf hymns on the pipe organ, but I know very little about registration (“stops”). You can listen to this morning’s attempt, a recording of a tune called TRINITY COLLEGE. Do you know this tune? It’s quite nice. Feel free to email me vis-à-vis the registration I chose. To quickly […]

Jeff Ostrowski · November 14, 2023

PDF • Morley’s Choral “Warm-Up”

For decades, I was against choral warm-ups. I felt they should be derived from repertoire—killing two birds with one stone—but was often too lazy to prepare such items. Over the years, I have taken a 180° turn. Now I’m a huge believer in vocal “warm-ups.” Our volunteer choir has been enjoying this wonderful warm-up exercise […]

Jeff Ostrowski · November 10, 2023

Hymn • “Feast of Christ’s Kingship”

A wonderful text for the feast of Christ the King is: “Conquering Kings Their Titles Take.” We’re currently working on creating a professional recording. Until that’s complete, we’ve posted these preliminary versions. You might want to consider this hymn for the upcoming solemnity of Christ’s Kingship.

Jeff Ostrowski · November 9, 2023

“Organ Interlude” (Dom Gregory Murray)

In my humble opinion, Dom Gregory Murray (d. 1992) was a splendid composer. Here’s my attempt to perform one of his INTERLUDES on the pipe organ. I’m not a “concert organist” so I deeply appreciate any feedback—especially about registration. By the way, you can download a fantastic collection of ORGAN INTERLUDES—all 104 pages completely free […]

Jeff Ostrowski · November 9, 2023

November Reminder • Please help!

Many still don’t know about our email newsletter! Please sign up! Simply scroll to the bottom of any blog article and enter your email address. It helps us very much when you join our mailing list. Thank you!

Jeff Ostrowski · November 8, 2023

1950s Mandatory Military Service? Huh?

I would be very curious to know what readers think about this claim made by Patrick J. Buchanan. He says military service in the 1950s was obligatory in the United States. Is this true? Let me know your thoughts by scrolling to the bottom of this page, where an email address is provided. Patrick J. […]

Jeff Ostrowski · November 8, 2023

“No Fourth Sunday of Advent” (EF)

In the Extraordinary Form (“Missale Vetustum”) because Christmas falls on a Monday in 2023, the Vigil of the Nativity of Our Lord takes precedence over the Fourth Sunday of Advent. This usually only happens about every six years or so. I will miss the 4th Sunday of Advent, but the VIGIL Mass is also quite […]

Jeff Ostrowski · November 5, 2023

When just 13 years old, Beethoven……

Bach’s Well-Tempered Clavier (WTC) was not officially published until 1801. By that time, many hand-copied manuscripts had circulated through Europe. According to Charles Rosen: “Beethoven, at the age of 13, played the entire WTC in public.” His feat was published in the newspapers of that time. In my view, both books of the WTC—with a […]

Corpus Christi Watershed · November 4, 2023

Kevin Allen … for 500 Altar Servers!

Corpus Christi Watershed was sent this fascinating message vis-à-vis motets of Kevin Allen being sung in a Mass with 500+ altar servers present. If anyone has more information, we would love to hear more details about this event!

Jeff Ostrowski · November 3, 2023

Dissonant Chord? • (not in context)

If you play nothing but the notes and chord highlighted by yellow in this passage from the “Haec Dies” Gradual, it’s quite ugly and dissonant. However, in the context of the stepwise descending bass-line, the LEMMENSINSTITUUT does not disappoint!

Jeff Ostrowski · October 23, 2023

Jeff As Organist? • His Attempt…

I’m attempting to record (on the pipe organ) any hymn contained in the Brébeuf Hymnal which doesn’t yet have its own rehearsal video with real voices. You can listen to my latest attempt: a hymn called DEVONSHIRE. For the second verse, I attempted to change the registration. Please let me know what you think. I […]

Jeff Ostrowski · October 20, 2023

Playing Pipe Organ = Very Difficult!

Not every hymn contained in the Brébeuf Hymnal has its own rehearsal video. In the meantime, I’m attempting to provide pipe organ recordings for the missing hymns. Today, I attempted to record COBLENZ, with a harmonization based on Sir Richard R. Terry. You can listen to my recording by clicking here. Whenever the record button […]

Jeff Ostrowski · October 18, 2023

PDF • “Mass Propers in English” (113 pages)

The University of Kansas has made available—as a free PDF document—this 2017 dissertation (113 pages) by Dr. Katherine Schmitz. The full title of the dissertation is: Chanting the Propers: A Comparative Study of Selected English Sources for the Catholic Mass. Dr. Schmitz is a Gregorian Chant scholar who has earned degrees from the University of […]

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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

The Princess of the Palatinate once described German Protestantism to Louis XIV with this formula: “In our country, everyone makes up his own little religion.” Every priest, or almost every priest, is at this point today. All the faithful have to say is “Amen.” They are still blessed when the pastor’s religion does not change every Sunday, at the whim of his reading, the foolery he has seen others at, or at his own pure fancy.

— Professor Louis Bouyer (1968)

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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