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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 · May 23, 2021

“Part 1 of 3” • Guerrero Kyrie for Our Lady

Now that choirs are beginning to come back…

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Jeff Ostrowski · May 21, 2021

“Veni Sancte Spiritus” (Sequence) • 18 Accompaniments

The Pentecost Sequence harmonized by Father Green, Father Jones, Dom Gregory Murray, Max Springer, Achille P. Bragers, and more!

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Keven Smith · May 18, 2021

On Musicianship: A Thought Experiment for Choir Directors

Teaching sight-singing is important, but let’s not forget that it’s a means to an end.

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Jeff Ostrowski · May 17, 2021

“Slanty Wampus” Doesn’t Count

From one of my composition teachers…

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Jeff Ostrowski · May 15, 2021

“Homily: Sunday after the Ascension” (EF) • Father Valentine Young, OFM

I wanted to become a Franciscan priest, and became one. But I certainly landed in places and assignments I never dreamed of being in.

Jeff Ostrowski · May 14, 2021

“Easy Polyphonic Agnus Dei” • Part 2 of 3

What is the best way to get your choir singing when they first return? Here are some tips…

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Richard J. Clark · May 14, 2021

Podcast: James Kennerley: Sacred Music in Education, the Church and the World

Maestro Kennerley underscores the myriad salutary benefits of music education for children and that of a community that sings together.

Fr. David Friel · May 13, 2021

The Ascension Depicted in the Rabbula Gospel Book

This is one of the earliest Christian manuscripts to be illuminated with (the oxymoronic) “large miniatures.”

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Jeff Ostrowski · May 12, 2021

Being Too Hard On Priests?

…including a fancy capital “A” from a medieval manuscript.

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Veronica Brandt · May 12, 2021

Updated Litany of St Joseph with Chant

Chanting the Litany of St Joseph with the newly announced invocations.

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Jeff Ostrowski · May 11, 2021

Did Bishop Sheen Favor A Particular Hymnal?

Including a wonderful hymn for the Ascension.

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Jeff Ostrowski · May 10, 2021

Re: “Christ the King Hymnal” (Imprimatur, 1954)

Venerable Pope Pius XII explicitly allowed vernacular hymns during High Mass in 1958.

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Fr. David Friel · May 9, 2021

Virtual Sacred Music Colloquium 2021

Alongside many familiar faces, several new presenters are joining the faculty this year.

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Jeff Ostrowski · May 6, 2021

Question & Answer Box • “Which Tune Is This?”

Including a live recording of a hymn about a donkey. (Not kidding!)

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Jeff Ostrowski · May 4, 2021

(Live Recording) • “Jesus My Lord, My God, My All”

There is a “hidden rule” about Roman Catholic Hymnals.

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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

The Latin language, “far from being held in little regard, is certainly worthy of being vigorously defended.”

— Pope Saint Paul VI (15 August 1966)

Recent Posts

  • “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
  • Solfege Volleyball: A Children’s Choir Game

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