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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

Jeff Ostrowski · October 23, 2016

Musical Resources • 23rd Sunday after Pentecost

“Remit, we beseech Thee, O Lord, the sins of Thy people…”

Veronica Brandt · October 22, 2016

Compline Online with Chant Notation

A handy online copy of Compline according to the 1962 liturgical books dynamically adapting to the day of the week, feast or feria and looks great on small screen mobile devices.

Richard J. Clark · October 21, 2016

Memorial of Pope Saint John Paul II

Two FREE resources honoring Pope Saint John Paul II

Corpus Christi Watershed · October 20, 2016

Dr. Jennifer Donelson Conducting Seminarians

Kevin Allen’s beautiful “Domine, Non Sum Dignus” has also been sung for Vatican Masses.

Jeff Ostrowski · October 19, 2016

Watershed: Established Ten Years Ago Today!

What keeps us going is our wonderful readers, whose kindness and witness inspire us.

Dr. Lucas Tappan · October 18, 2016

Music and the Formation of Our Youth

“While it is true that children can make beautiful music, it is more important that music can make beautiful children…”

Jeff Ostrowski · October 18, 2016

Palestrina • Jaw-Dropping “Kyrie” based on a Hymn

Two generous young ladies, currently in high school, helped me record this gorgeous Kyrie.

Jeff Ostrowski · October 17, 2016

“The Organist At Sung Mass” —Fr. Adrian Fortescue

Thoughts on “the hidden struggles” of a choirmaster.

Richard J. Clark · October 14, 2016

The Unhealthy Liturgical Obsession with Self

It is not found in the Roman Rite. It is not there in the scriptures. We are in fact inserting such self-obsession.

Jeff Ostrowski · October 14, 2016

Complete Palestrina Edition • Now Online!

His Mass settings alone require 2,349 pages!

Andrew Leung · October 13, 2016

The New Feature on the Organ of King’s College

Check out this newest feature on the restored organ in the Chapel of King’s College!

Dr. Lucas Tappan · October 11, 2016

Wonderful Things are Happening in Detroit!

Even more exciting were two developments I learned of while in Detroit.

Jeff Ostrowski · October 10, 2016

Choirmaster’s Life: “A Life of Sacrifice”

Due to human nature, I believe most of us won’t reach our potential—unless we’re forced to do so!

Jeff Ostrowski · October 7, 2016

Musical Resources • 21st Sunday after Pentecost

“All things are in Thy will, O Lord, and there is none that can resist Thy will…”

Jeff Ostrowski · October 7, 2016

I Got Caught!

I hardly ever watch internet videos, but this one I could not resist.

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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

“It is the choir that can make the most valuable contribution to the liturgy; it is through the choir that significant numbers of the congregation can make a significant and valuable offering in the community’s act of worship. The choir links directly academic excellence, artistic creation, disciplined attention and self expression in the making of something fitting for the worship of God.”

— Father Daniel Higgins, Choirmaster at Saint Edmund’s College, Ware

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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