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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

Dr. Lucas Tappan · July 5, 2016

Sing the Mass

Whether your particular parishes are rich or poor, big or small, love sacred music or hate it, there is one thing that I challenge all of you to do, and that is to sing the Mass.

Corpus Christi Watershed · July 4, 2016

Make A Donation Using PayPal

You can also donate using PayPal, even though we prefer Cornerstone.

Jeff Ostrowski · July 2, 2016

“Confiteor” Before Communion • Should It Be Done?

Six reasons in favor of the “Second Confiteor” and my thoughts.

Corpus Christi Watershed · July 2, 2016

Rev’d Fr. Adrian Fortescue (1874-1923)

At the time of his death, Fortescue was Professor of Church History at St. Edmund’s College, Ware—the oldest Catholic school in England.

Richard J. Clark · July 1, 2016

The Frontier of Liturgical Composition

The frontier of composition is clearly producing new settings of the propers in the vernacular, useful for a typical parish.

Dr. Lucas Tappan · June 30, 2016

Do My Eyes Deceive Me?

I’ve often told my choir members that before I die they will be singing from music displayed on some form of a tablet, but I never thought I’d see the Capella Sistina blazing the trail!

Dr. Alfred Calabrese · June 30, 2016

The Positive Impact Of Parish Events

These things must begin at the parish level.

Jeff Ostrowski · June 29, 2016

“Salve Virgo Singularis” • For Three Voices

I cannot imagine a more powerful text.

Dr. Lucas Tappan · June 28, 2016

Theology and Music

I hope and pray the Church continues to raise up true artists who will bring the Gospel to the world through the greatest of all the Church’s arts—Music.

Jeff Ostrowski · June 27, 2016

Wow! Take 35% off your purchase!

The Goupil Graduals arrived this morning, and they look marvelous!

Jeff Ostrowski · June 27, 2016

Audio Samples • Can A Volunteer Choir Sing Excellent Music At Mass?

If you think we weren’t nervous to sing before so many … think again!

Veronica Brandt · June 25, 2016

It’s not about talent

A church musician’s work may well be priceless. We don’t need to have gratitude for our natural talent, though talent can make life easier. The big honour is to serve God at the summit and source of Christian life.

Fr. David Friel · June 24, 2016

Colloquium 2016 • Day 4

Reflections on Offering a Colloquium Mass

Richard J. Clark · June 24, 2016

New Organ Work • Madonna & Child

It took me—the composer—to realize this is really a work about mother and child.

Jeff Ostrowski · June 24, 2016

Los Angeles Pontifical Mass • This Coming Sunday!

We’ll be joined by Bishop Athanasius Schneider, our FSSP District Superior, and several FSSP seminarians for a Solemn Pontifical Mass in Hollywood.

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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

“Gloria, Credo, etc., may not be broken into detached fragments; it is wrong to omit or hurry over the Proper of the day; it is not permitted to substitute organ playing for the Proper; it is wrong to use, however briefly, themes from theatrical or dance music, from popular songs, love-songs, comic songs; drums, cymbals, piano, bag-pipes are too noisy for Church use .”

— Pope Leo XIII (25 September 1884))

Recent Posts

  • Fulton J. Sheen • “24-Hour Catechism”
  • Music List • (2nd Sunday of Lent)
  • PDF Download • “Funerals in the Ordinary Form”
  • Extreme Unction
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