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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 · March 17, 2015

Improve Your Parish Liturgy … Instantly!

Have you noticed the change in atmosphere when people dress fancy, as opposed to tank tops with jeans?

Jeff Ostrowski · March 16, 2015

Rare Video • Karol Cardinal Wojtyła In Cappa Magna

Extraordinary footage of Pope St. John Paul II wearing the Cappa Magna.

Dr. Lucas Tappan · March 16, 2015

Most Pure Heart of Mary Schola Cantorum To Sing At Papal Mass

The Schola Cantorum will join the Sistine Chapel Choir, along with a number of other children choirs, to sing for Pope Francis’ Mass on January 6.

Jeff Ostrowski · March 16, 2015

Hillary Clinton’s Emails & Mass Propers

Are you confused yet? You ought to be!

Fr. David Friel · March 15, 2015

The Future of the Pipe Organ

“The manifold possibilities of the organ remind us of the immensity and the magnificence of God.” (Pope Benedict XVI)

Veronica Brandt · March 14, 2015

Gems in Latin and English

Five books providing our treasured Latin hymns with English translations to help you sing with understanding.

Jeff Ostrowski · March 14, 2015

Musical Resources • 4th Sunday of Lent “Laetare”

The “Gloria in excelsis” is not said from Septuagesima Sunday until Easter, except on Holy Thursday, Holy Saturday, & some special feasts.

Richard J. Clark · March 13, 2015

Simply Stunning | Sacred Music of Paul Jernberg

A simply stunning “Salve Regina” and the “Mass of Saint Philip Neri”

Jeff Ostrowski · March 12, 2015

Pope Francis & Tomfoolery From The “LA Times”

When questioned about the Traditional Latin Mass, here’s what Pope Francis ought to respond…

Andrew Leung · March 12, 2015

Video • “How to Love that boring Latin Mass”

Don’t change the Mass, let the Mass change you.

Dr. Lucas Tappan · March 12, 2015

Bertalot’s 5 Wheels (Part 1 of 2)

I have personally reached the point where I am not willing to compromise on this issue with my choristers.

Jeff Ostrowski · March 11, 2015

Brief Recording • Newest Choir In Los Angeles

We have been able to establish a choir, even though our FSSP parish is still in its infancy.

Jeff Ostrowski · March 10, 2015

Six Things To Know About USCCB Hymn Approval

It’s no secret. Anyone who’s been in Church music realizes what happens in 99% of Catholic parishes.

Dr. Lucas Tappan · March 9, 2015

Most Pure Heart of Mary Schola Cantorum

This fall, Most Pure Heart of Mary Catholic School in Kansas will become the third Catholic Choir School in the United States.

Jeff Ostrowski · March 9, 2015

Video • “Different Types Of Catholics”

Can you see yourself?

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Corpus Christi Watershed

President’s Corner

    “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
    PDF • “Communion” (5th Sunday in Ordin.)
    The COMMUNION ANTIPHON for this coming Sunday, 8 February 2026—which is the 5th Sunday in Ordinary Time (Year A)—is truly delightful. You can download the musical score completely free of charge. This text will be familiar to altar boys, because it’s PSALM 42. The Feder Missal makes the following claim about that psalm: “A hymn of a temple musician from Jerusalem: he is an exile in a heathen land, and he longs for the holy city and his ministry in the Temple there. The Church makes his words her own.”
    —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

“If I could only make the faithful sing the Kyrie, the Gloria, the Credo, the Sanctus, and the Agnus Dei…that would be to me the finest triumph sacred music could have, for it is in really taking part in the liturgy that the faithful will preserve their devotion. I would take the Tantum Ergo, the Te Deum, and the Litanies sung by the people over any piece of polyphony.”

— ‘Giuseppe Cardinal Sarto, Letter to Msgr. Callegari (1897)’

Recent Posts

  • 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!
  • “Let the Choir Have a Voice” • Jeff Ostrowski’s Essay on Choral Music in the Catholic Mass

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