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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 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

I Got Caught!

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

Richard J. Clark · October 7, 2016

Vocation Directors Immersed in Chant—Immersed in Prayer

This isn’t about chant. This isn’t about a style of music. It is about the urgency we face with vocations.

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…”

Andrew Leung · October 6, 2016

St. Francis and Sacred Music

St. Francis of Assisi is not a “liturgical hippie.” He is a lover of the Roman liturgy and might have sung polyphony…

Jeff Ostrowski · October 4, 2016

What Should A Church Look Like?

I have no idea which cathedral this is, but architects should take note!

Jeff Ostrowski · October 3, 2016

Cardinal Sarah’s Missing Paragraph…

This article includes live recordings from a conference (“Society for Catholic Liturgy”) in Los Angeles.

Fr. David Friel · October 2, 2016

New Collection of Propers from GIA

The growing market for Mass propers is a sign of promise.

Jeff Ostrowski · September 29, 2016

Why Did Vatican II Happen?

These might not constitute the most perfect way to assist at Mass, but they’re very nice (German) hymn tunes!

Jeff Ostrowski · September 28, 2016

Twenty Minutes That Changed My Life Forever

I might be able to memorize that Chopin etude, but there’s no way I could memorize that 5-voice Bach fugue today.

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Corpus Christi Watershed

President’s Corner

    PDF • “3-Voice Motet” (Father De Laet)
    I believe 99% of our readers will recognize this hymn tune. Perhaps Father Edgard De Laet should have called it a ‘hymn’ instead of a ‘motet for three voices’—but he’s technically correct, since MOTET is defined as: “a short piece of sacred choral music, typically polyphonic and unaccompanied.” The even verses are for three voices, as you will see if you download the PDF score at #20245. The odd verses may be song a cappella SATB or unison with organ.
    —Jeff Ostrowski
    PDF Download • “Hymn for 2 Voices”
    Readers who click on this video will see that it starts with verses of the “Pange Lingua” hymn by Saint Thomas Aquinas (d. 1274) arranged for two voices. However, there’s a polyphonic refrain (“Tantum Ergo”) for three voices, taken from Kevin Allen’s Motecta Trium Vocum. If your choir is very small, this piece is for you! You can download the PDF score free of charge—and you can also utilize the rehearsal videos for each individual voice—by navigating yourself to #20323.
    —Jeff Ostrowski
    “Holy Name Hymn” (2-Voice Arrangement)
    When we post a direct URL link, we frequently get thousands of downloads. But when scrolling is required, very few take the time. I mention this because those who click on this URL link and scroll to the bottom can download—completely free of charge—a clever 2-voice arrangement for a famous hymn to the Most Holy Name of Jesus. In a pinch, it can be nicely sung by one male and one female! It will be of interest to those who seek arrangements for two voices.
    —Jeff Ostrowski

Quick Thoughts

    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
    “Reminder” — Month of January (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. Signing up couldn’t be easier: simply scroll to the bottom of any blog article and enter your email address.
    —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

“Gregorian chant is the sacred chant, proper and principal of the Roman Church. Therefore, not only can it be used in all liturgical actions, but unless there are mitigating circumstances, it is preferable to use it instead of other kinds of sacred music.”

— §16, De Musica Sacra (1958)

Recent Posts

  • PDF Chart • “Plainsong Rhythm”
  • PDF • “3-Voice Motet” (Father De Laet)
  • PDF Download • “Hymn for 2 Voices”
  • (January 2026) • “Children Singing Plainsong”
  • “Inquiry” • For Music Directors of Cathedrals and Larger Parish Churches

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