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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

President's Corner

Jeff Ostrowski · October 24, 2025

Little Encouragement?

Have you read the parable about the 10 lepers?

Jeff Ostrowski · October 20, 2025

(Part 2) • Did they simplify this hymn?

Looking through a (Roman Catholic) German hymnal printed in 1929…

Corpus Christi Watershed · October 20, 2025

PDF • “Lectionary Comparison Chart”

Such tinkering has gone on for 60+ years, and it’s reprehensible.

Jeff Ostrowski · October 20, 2025

Monsignor Klaus Gamber Speaks!

An interesting quotation from the eminent liturgist, Monsignor Klaus Gamber…

Jeff Ostrowski · October 18, 2025

“Music List” • 29th in Ordinary Time (Year C)

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

Jeff Ostrowski · October 14, 2025

Liturgical Round (“Canon”) in C-Major

I have provided an accompaniment, but it’s only for use during rehearsal.

Corpus Christi Watershed · October 13, 2025

Latin Liturgy Association

The newsletter of the “Latin Liturgy Association” is definitely something worth looking at!

Jeff Ostrowski · October 11, 2025

“Music List” • 28th in Ordinary Time (Year C)

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

Jeff Ostrowski · October 9, 2025

PDF Download • “Offertory” for this Sunday

Anyone know why the Book of Esther was chosen? That same section of Esther was chosen for last Sunday’s Introit.

Jeff Ostrowski · October 8, 2025

Why A “Fugue” Here?

I think you will agree about this.

Jeff Ostrowski · October 6, 2025

“Reminder” — Month of October (2025)

Since a new month has arrived, it’s my pleasure to remind you that…

Jeff Ostrowski · October 3, 2025

“Music List” • 27th in Ordinary Time (Year C)

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

Jeff Ostrowski · October 2, 2025

Kids’ Choir Sings Thomas Aquinas

Last Sunday, a children’s choir I’m teaching sang with us for the first time.

Jeff Ostrowski · October 2, 2025

Prex • Particularly Powerful

“O God, who dost mend what is shattered, and what thou hast mended, ever dost preserve…”

Jeff Ostrowski · September 26, 2025

PDF Download • Communion (26th Sn. Ord.)

This Communion antiphon sparkles with beauty.

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Corpus Christi Watershed

President’s Corner

    PDF Download • Introit (2nd Sn. Ord.)
    This coming Sunday, 18 January 2026, is the 3rd Sunday in Ordinary Time (Year A). The ENTRANCE CHANT is set according to the fourth mode, which sounds ‘serious’ or ‘dark’ or ‘haunting’ or ‘mysterious’—and its English adaptation corresponds to the authentic version (“Omnis terra adóret”) found in the GRADUALE ROMANUM. In this rehearsal video (click here) I attempt to sing the melody while simultaneously accompanying myself on the organ. I encourage you to print off the organ accompaniment (PDF) and play through it, because the harmonies are delightful.
    —Jeff Ostrowski
    Spectacular Communion Setting!
    The FAUXBOURDON setting of the Communion for the Baptism of the Lord (which will occur this coming Sunday) strikes me as quite spectacular. The verses—composed by the fifth century Christian poet, Coelius Sedulius—come from a long alphabetical acrostic and are deservedly famous. The feast of the LORD’S BAPTISM was traditionally the octave day of Epiphany, but in the 1962 kalendar it was made ‘more explicit’ or emphasized. The 1970 MISSALE ROMANUM elevated this feast even further.
    —Jeff Ostrowski
    PDF • “Music List” (Sunday, 11 January)
    Readers have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for Feast of the Baptism of the Lord (SUNDAY, 11 January 2025). If such a thing interests you, feel free to download it as a PDF file. The FAUXBOURDON verses for the Communion Antiphon—to say nothing of the antiphon itself—are breathtaking. As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are available at the monumental feasts website alongside the official texts in Latin.
    —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

“…I started down the road of the liturgy, and this became a continuous process of growth into a grand reality transcending all particular individuals and generations, a reality that became an occasion for me of ever-new amazement and discovery. The incredible reality of the Catholic liturgy has accompanied me through all phases of life, and so I shall have to speak of it time and again.”

— Joseph Cardinal Ratzinger

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