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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

Articles

Fr. David Friel · April 24, 2016

Instruction on Sacred Music by Bishop John Doerfler

Introducing a Five-Year Plan for the Future of Sacred Music in the Diocese of Marquette

Andrew Leung · April 23, 2016

Who Says Young People Can’t Sing Traditional Sacred Music?

2 groups of high schoolers, over 200 young people, proved that they can sing and pray with traditional church music.

Jeff Ostrowski · April 23, 2016

Dazzling Canon • “Adoremus in Aeternum”

John Paul II: “For compositions of liturgical music, I make my own the general rule of St. Pius X…”

Jeff Ostrowski · April 22, 2016

Shocking Parallels By Guerrero

I’ve seen similar passages by Orlando Lassus.

Richard J. Clark · April 22, 2016

Musician • Center of Attention or Servant?

Applause from a congregation for musicians, or musicians that impede congregational singing for the sake of personal artistry, are but symptoms. The church musician has been misidentified as a separate entity—a showpiece—and not properly identified as a servant of the liturgy, a servant of God, a servant of the people.

Andrew Leung · April 21, 2016

Les Misérables and the Year of Mercy

Watch and Listen to Les Misérables during the Year of Mercy!

Jeff Ostrowski · April 20, 2016

Benedictus & Hosanna • “Missa Beata Mater”

My friend was in charge of picking music for papal Masses under Pope St. John Paul II.

Dr. Lucas Tappan · April 19, 2016

Spring Concert • Most Pure Heart of Mary Schola Cantorum

Your are invited to the MPHM Schola Cantorum’s Spring Concert!

Jeff Ostrowski · April 19, 2016

“Catholic Choirmaster” • Fascinating Photo Taken 29 August 1964

CMAA was formed the same year “Inter Oecumenici” was issued by the Vatican.

Jeff Ostrowski · April 18, 2016

In Memoriam • Sister Clare Crockett

She passed away when the community’s house collapsed during the earthquake that hit the Ecuadorian coast on 16 April 2016.

Andrew Leung · April 18, 2016

Position Opening • Music Director for the NY Dominican Parish

The Parish of St. Vincent Ferrer and St. Catherine of Siena in New York City is looking for a Director of Music and Organist.

Jeff Ostrowski · April 18, 2016

“No Time For Cowardice” • A Letter To Liturgy Columnists

Too many columnists focus endlessly on minutiae while leaving untouched a crucial issue.

Jeff Ostrowski · April 16, 2016

Musical Resources • Third Sunday after Easter (Extraordinary Form)

“O God, Who dost show the light of Thy truth to them that go astray…”

Jeff Ostrowski · April 16, 2016

Feeding Our Children Liturgical “Garbage”

Some of you know I’ve been extremely ill for more than two years…

Jeff Ostrowski · April 15, 2016

Picture • Pope Pius XII in St. Peter’s (Low Mass)

With a lovely chasuble!

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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
    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 recitation of the Office of the Dead, the Christmas Office, the spectacle of the days of Holy Week, the sublime chant of the Exultet, beside which the most intoxicating accents of Sophocles and Pindar seemed to me to be insignificant—all of this overwhelmed me with respect and joy, with gratitude, repentance, and adoration!”

— Paul Claudel (1913)

Recent Posts

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

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