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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

Aurelio Porfiri

Renowned as composer, conductor, theorist, author, pedagogue, and organist, Aurelio Porfiri has served the Church on multiple continents at the highest levels. Born and raised in Italy, he currently serves as Director of Choral Activities and Composer in Residence for Santa Rosa de Lima School (Macao, China). Read more.

Aurelio Porfiri · June 24, 2014

Fifa World Cup

What does the liturgy have to do with the World Cup of soccer? Nothing, probably, or maybe something.

Aurelio Porfiri · June 23, 2014

Bottega • Aurelio Porfiri

“Mæstro Porfiri is a true lover of liturgy and music and a serious, honest, and responsible person.” — Domenico Cardinal Bartolucci (Vatican)

Aurelio Porfiri · June 20, 2014

My Funeral

I am dead. And now here I am viewing my funeral. The people in attendance are not aware that I am looking at them.

Aurelio Porfiri · June 18, 2014

Responsorial Psalm: The “Gelineau Disease” ?

Someone might exclaim: “You also are doing this. We’ve seen your settings of the responsorial psalm!”

Aurelio Porfiri · June 17, 2014

Archbishop Sample’s Letter On Sacred Music (2 of 8)

Most bishops will talk about everything from global warming to the latest cure for cholesterol, but they leave the issue of liturgical music to priests who think that saving people means dying with them…

Aurelio Porfiri · June 10, 2014

On the Issue of Participation

Have you ever experienced “participationism” ?

Aurelio Porfiri · June 3, 2014

Between Ethics And Reality: The Liturgical Musician

Must those that have something to do with liturgical music be good persons?

Aurelio Porfiri · May 27, 2014

Recent Canonizations

I have no reasons to doubt their personal sanctity, but perhaps the proverbial “Roman slow pace” in this case would prove to be useful and somehow opportune.

Aurelio Porfiri · May 20, 2014

Blog Etiquette & “Liturgy Wars”

I’m amazed to see how being “anonymous” can make people behave in a way they would never behave if they used their true names.

Aurelio Porfiri · May 13, 2014

The Importance of Words

“Indeed the real topic is not if liturgical music is important, but for what liturgical music is important.” — Aurelio Porfiri

Aurelio Porfiri · May 6, 2014

Latin And Western Civilization

“I am sorry, but this is not fair. Latin is heritage for each one of us.” — Aurelio Porfiri

Aurelio Porfiri · December 22, 2012

Aurelio Porfiri

Aurelio is renowned as a conductor, theorist, organist, author …

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Corpus Christi Watershed

President’s Corner

    PDF Download • “Ubi Caritas” (SATB)
    I remember singing “Ubi Cáritas” by Maurice Duruflé at the conservatory. I was deeply moved by it. However, some feel Duruflé’s version isn’t suitable for small choirs since it’s written for 6 voices and the bass tessitura is quite low. That’s why I was absolutely thrilled to discover this “Ubi cáritas” (SATB) for smaller choirs by Énemond Moreau, who studied with OSCAR DEPUYDT (d. 1925), an orphan who became a towering figure of Catholic music. Depuydt’s students include: Flor Peeters (d. 1986); Monsignor Jules Van Nuffel (d. 1953); Arthur Meulemans (d. 1966); Monsignor Jules Vyverman (d. 1989); and Gustaaf Nees (d. 1965). Rehearsal videos for each individual voice await you at #19705. When I came across the astonishing English translation for “Ubi Cáritas” by Monsignor Ronald Knox—matching the Latin’s meter—I decided to add those lyrics as an option (for churches which have banned Latin). My wife and I made this recording to give you some idea how it sounds.
    —Jeff Ostrowski
    PDF • “Cantus Mariales” (192 pages)
    Andrea Leal has posted an absolutely pristine scan of CANTUS MARIALES (192 pages) which can be downloaded as a PDF file. To access this treasure, navigate to the frabjous article Andrea posted Monday. The file is being offered completely free of charge. The beginning pages of the book have something not to be missed: viz. a letter from Pope Saint Pius X to Dom Pothier, in which the pope calls Abbat Pothier “a man versed above all others in the science of liturgy, and to whom the cause of Gregorian chant is greatly indebted.”
    —Jeff Ostrowski
    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

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

“What really matters in life is that we are loved by Christ and that we love Him in return. In comparison to the love of Jesus, everything else is secondary. And, without the love of Jesus, everything is useless.”

— Pope John Paul II (1979)

Recent Posts

  • PDF Download • “Ubi Caritas” (SATB)
  • PDF • “Cantus Mariales” (192 pages)
  • PDF Download • Fourteen (14) Versions of the Splendid Hymn: “Salve Mater Misericordiae”
  • Fulton J. Sheen • “24-Hour Catechism”
  • Music List • (2nd Sunday of Lent)

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