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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

Rev Fr Adrian Fortescue Liturgy

Jeff Ostrowski · January 3, 2026

How Does The Vatican “Rhythm” Actually Sound?

With an excerpt from the feast of the Baptism of the Lord.

Jeff Ostrowski · May 27, 2025

PDF Download • “Entrance Chant” for 29 June … Which Falls on a Sunday This Year!

Growing up, we had an encyclopedia in our basement—but that was hardly the equivalent access to the internet!

Corpus Christi Watershed · March 12, 2025

“I Hate, Loathe, and Utterly Despise the Trivial Details of Ceremonies.” —Father Adrian Fortescue

“I want never to hear another word about ceremonies for as long as I live. I would rather discuss the symptoms of cancer.” —Dr. Fortescue

Jeff Ostrowski · March 8, 2025

“My Song Is Love Unknown” • Jeff Attempts to Sing All Parts … Including the Female Voices!

Few Catholics seem to realize it was Pope Pius XII who suppressed Tenebrae, a ceremony deeply loved by the faithful for centuries.

Jeff Ostrowski · February 10, 2025

The New Lectionary & “Voice of God” Hymns

The sale of indulgenced prayers is immoral. Someday they’ll have to make restitution for this.

Jeff Ostrowski · January 10, 2025

PDF Download • “Baptism of the Lord” (Hymn)

From what I have seen, musicians tend to be the best liturgists…

Jeff Ostrowski · August 6, 2024

PDF Download • “Entrance Chant in English” (19th Sunday in Ordinary Time)

Including twelve (12) different versions!

Jeff Ostrowski · July 23, 2024

PDF Download • “Entrance Chant” for the 17th Sunday in Ordinary Time (Years ABC)

Including ten (10) alternate versions!

Jeff Ostrowski · May 19, 2024

When Dr. Calabrese Addressed Me Personally

Including a ‘live’ recording of the Church’s oldest Latin Eucharistic Hymn, which comes from a 7th-century Irish manuscript.

Jeff Ostrowski · May 15, 2024

Documentation • “In the Olden Days, Was Vernacular Sung During Liturgical Services?”

Including a splendid harmonization of “Holy God, We Praise Thy Name.”

Follow the Discussion on Facebook

Jeff Ostrowski · April 25, 2024

Update (25 April) • “Forthcoming Spanish Hymnal”

“When our people have the courage to break resolutely with a bad tradition, there are unworked mines of religious poetry in the old hymns that we can use in translations.” —Father Adrian Fortescue

Jeff Ostrowski · March 31, 2024

“Strangest Of All…” • (Fortescue)

In his illustrious 1912 tome—The Mass: A Study Of The Roman Liturgy—Father Adrian Fortescue spoke of sequences, writing: “Strangest of all were the vernacular sequences in France and Germany, or those partly vernacular and partly Latin.” Our volunteer choir experimented with that on Holy Thursday, mixing Latin verses with an English refrain. For the record, […]

Jeff Ostrowski · March 22, 2024

“Victimæ Paschali Laudes” • Thirty-One (31) Different Versions — Including Organ Accompaniments

This version by Father Adrian Fortescue is fascinating!

Jeff Ostrowski · February 15, 2024

Josquin Des Prez Was A Vandal • (Not Kidding)

Also included: the day my life changed forever.

Jeff Ostrowski · February 13, 2024

“Ite, Missa Est” • What Does That Actually Mean?

Bishop Ambo’s assertion that Mass was attended—for centuries—by a single woman (and nobody else) is bizarre.

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Corpus Christi Watershed

President’s Corner

    2-Voice Arrangement for Lent
    Those seeking a two-voice arrangement for LENT and PASSIONTIDE should click here and scroll down. It’s based on number 775 in the Brébeuf Hymnal, with an enchanting melody written by Kevin Allen (the legendary American composer of sacred music). That text—“Pendens In Crucis Cornibus”—is often used for the Feast of our Lady of Sorrows. That link is important because, in addition to the musical score, it provides free rehearsal videos for each individual voice: something volunteer choirs appreciate!
    —Jeff Ostrowski
    “Sanctus VIII” • Organ Accompaniment
    A few days ago, I composed this organ harmonization for SANCTUS VIII. This Mass is traditionally called Missa de ángelis or “Mass of the angels.” In French, it is Messe de Anges. You can evaluate my attempt to simultaneously accompany myself on the pipe organ (click here) while singing the melody. My parish is currently singing this setting.
    —Jeff Ostrowski
    Music List • (5th Sund. Ordinary Time)
    Readers have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for this coming Sunday, 8 February 2026, which is the 5th Sunday in Ordinary Time (Year A). If such a thing interests you, feel free to download it as a PDF file. You will probably notice it isn’t as ‘complete’ or ‘spiffy’ as usual, owing to some difficulties which took place this week.
    —Jeff Ostrowski

Quick Thoughts

    “Reminder” — Month of Febr. (2026)
    On a daily basis, I speak to people who don’t realize we publish a free newsletter (although they’ve followed our blog for years). We have no endowment, no major donors, no savings, and refuse to run annoying ads. As a result, our mailing list is crucial to our survival. It couldn’t be easier to subscribe! Just scroll to the bottom of any blog article and enter your email address.
    —Jeff Ostrowski
    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

“From the responses received, it is thus clear that by far the greater number of bishops feel that the present discipline [Communion on the tongue and not in the hand] should not be changed at all—indeed, that if it were changed, this would be offensive to the sensibility and spiritual appreciation of these bishops and of most of the faithful.”

— Sacred Congregation for Divine Worship (29 May 1969)

Recent Posts

  • 2-Voice Arrangement for Lent
  • Pope Paul VI • “Sacrificium Laudis” (15 Aug 1966)
  • “Sanctus VIII” • Organ Accompaniment
  • PDF Download • Sanctus VIII Organ Accompaniment (“Mass of the Angels”)
  • Gorgeous Image of Monks Singing!

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