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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 · October 2, 2024

English Plainchant Revival • “Is It Real?”

Let Busoni’s statement serve as a reminder to Catholic music directors everywhere.

Jeff Ostrowski · October 1, 2024

“Entrance Chant” • For Sunday (6-Oct-2024)

This one’s in Mode 4, imitating in an admirable way the authentic Gregorian chant.

Jeff Ostrowski · September 30, 2024

You Forgot About This One!

I’d be interested to see the actual citations for this…

Jeff Ostrowski · September 29, 2024

An Anglican “Mess”

If I live to be 100 years old, there’s something I’ll never understand.

Veronica Moreno · September 28, 2024

Communion Antiphon • “For Any Mass?”

Rehearsal videos are included—and they’re pretty fantastic!

Jeff Ostrowski · September 27, 2024

PDF Download • “Offertories and Communion Hymns for Unison + Organ” (Carlo Rossini, 1951)

I provide three (3) reasons you’ll want to download this book immediately.

Jeff Ostrowski · September 24, 2024

“Entrance Chant” • For Sunday (29-Sep-2024)

This one’s in Mode 3, imitating the authentic Gregorian chant in a magnificent way.

Jeff Ostrowski · September 24, 2024

PDF Download • “Entrance Chant” in English (26th Sunday in Ordinary Time, Year B)

Sometimes one hears the objection: “But Gregorian Chant was not originally accompanied on the organ…”

Veronica Moreno · September 17, 2024

PDF Download • “Communion Antiphon” by Father Edgard de Laet — For Any Mass!

A musical setting for “An Alphabet of Right-doing” (as Monsignor Knox famously called it).

Jeff Ostrowski · September 16, 2024

“Entrance Chant” • For Sunday (22-Sep-2024)

This one’s in Mode 4—and it imitates the authentic Gregorian chant in a magnificent way.

Richard J. Clark · September 13, 2024

PDF Download • “The Saint John’s Gradual”

Free download of Saint John’s Gradual with Ecclesiastical Approbation from his Eminence Cardinal Seán O’Malley, O. F. M., Cap., Archbishop of Boston

Jeff Ostrowski · September 12, 2024

Music List • (24th Sund. Ordinary Time)

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

Jeff Ostrowski · September 11, 2024

Musical Setting • “Confíteor Déo Omnipoténti”

The participants went nuts over this musical setting. They just couldn’t get enough of it!

Corpus Christi Watershed · September 11, 2024

Desperate Appeal • (11-Sep-2024)

On 11 September 2024, the president of CCWatershed released…

Jeff Ostrowski · September 10, 2024

PDF Download • “Entrance Chant” for the 24th Sunday in Ordinary Time (Plainchant in English)

Today I discuss a myth about accompanying plainsong on the pipe organ.

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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

“The recitation of the Office of the Dead, the Christmas Office, the spectacle of the days of Holy Week, the sublime chant of the Exultet, beside which the most intoxicating accents of Sophocles and Pindar seemed to me to be insignificant—all of this overwhelmed me with respect and joy, with gratitude, repentance, and adoration!”

— Paul Claudel (1913)

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