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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

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Jeff Ostrowski · December 20, 2024

Rorate Caeli + ICEL + Dynamic Equivalence

There’s an old adage: “Once stung, twice shy.”

Jeff Ostrowski · December 19, 2024

“Music List” (4th Sunday of Advent, Year C)

Readers have expressed interest in perusing the “music list” I’ve prepared for this coming Sunday.

Jeff Ostrowski · December 19, 2024

“Entrance Chant” • 4th Sunday of Advent

Like so many Advent antiphons, this one is in the first mode and comes from the prophet Isaiah.

Jeff Ostrowski · December 18, 2024

Communion (4th Sunday of Advent)

It certainly seems like most of the Advent antiphons come from the book of Isaiah…

Jeff Ostrowski · December 18, 2024

PDF Download • New Version of “What Child Is This” (SATB) … as of 18 December 2024

A different version was requested. I was able to complete that task earlier today.

Jeff Ostrowski · December 17, 2024

PDF Download • “Order of Music” (Funerals)

I have made some changes to my “musical list” for funerals.

Jeff Ostrowski · December 17, 2024

PDF Download • “The First Nowell” in Latin — Simplified Version (2024) for Choir & Organ

If you have items you’d like to learn (such as how to make multi-track rehearsal videos) please email them to us.

Jeff Ostrowski · December 13, 2024

PDF Download • “What Child Is This?” (SATB arr.)

In my view, this one falls within the “Top Ten” list of Christmas carols.

Jeff Ostrowski · December 8, 2024

“Entrance Chant” • 3rd Sunday of Advent

This Introit is in the first mode.

Jeff Ostrowski · December 7, 2024

For The Record …

It strikes me as quite “Adventy”—for lack of a better term.

Jeff Ostrowski · December 7, 2024

PDF • “Advent Kyrie Accompaniment”

Kyrie XVII: “In dominicis Adventus et Quadragesimae.”

Jeff Ostrowski · December 6, 2024

Music List • (Immaculate Conception)

Readers have expressed interest in perusing the “music list” I’ve prepared for this feast.

Jeff Ostrowski · December 6, 2024

PDF Download • “Musical Outline” for the Feast of Our Lady’s Immaculate Conception

Rachmaninoff said: “Nine hours? That’s nothing. For a period of my life, I used to practice 17 hours a day.”

Jeff Ostrowski · December 3, 2024

PDF Download • Pristine Scan: Father Mathias’ 1905 Kyriale Organ Accompaniment (186 pages)

Father Mathias served as organist for Strasburg Cathedral, where he founded the “Saint Leo Institute for Church Music” in 1913.

Jeff Ostrowski · December 3, 2024

Organ Accompaniment • “Kyrie IV”

This was inspired by Florentinus Peeters (d. 1986).

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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

    “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
    PDF Download • “In Paradisum” in English
    We always sing the IN PARADISUM in Latin, as printed on this PDF score. I have an appallingly bad memory (meaning I’d be a horrible witness in court). In any event, it’s been brought to my attention that 15 years ago I created this organ accompaniment for the famous and beautiful ‘IN PARADISUM’ Gregorian chant sung in English according to ‘MR3’ (Roman Missal, Third Edition). If anyone desires such a thing, feel free to download and print. Looking back, I wish I’d brought the TENOR and BASS voices into a unison (on B-Natural) for the word “welcome” on the second line.
    —Jeff Ostrowski

Random Quote

“No official approbation is required for hymns, songs, and acclamations written for the assembly.”

— Statement by the “Bishops’ Committee on the Liturgy” (10-NOV-1996)

Recent Posts

  • 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
  • PDF Download • “Pange Lingua” for Three Voices (Father Edgard De Laet)

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