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Corpus Christi Watershed

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Views from the Choir Loft

melismatic morae vocis

Jeff Ostrowski · January 3, 2026

How Does The Vatican “Rhythm” Actually Sound?

With an excerpt from the feast of the Baptism of the Lord.

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Jeff Ostrowski · September 29, 2024

An Anglican “Mess”

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

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Jeff Ostrowski · April 7, 2024

Jeff Writes A Song About Dr. Weaver And Himself

This article—a “mini-dissertation” on syllabic plainsong—writes songs using the names of various CCW authors.

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Jeff Ostrowski · December 1, 2023

My Response to Dr. Weaver’s Latest Article

Is it fair to forever bind Dom Guéranger to what he wrote about “barbarous archaisms” in 1855?

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Jeff Ostrowski · August 30, 2023

“Momentous Release!” • Freakishly Rare Gradual & Vesperal Published by Pothier’s Protégé (1,638 pages!)

He screamed into the telephone: “There’s no such thing as Gregorian Chant!”

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Jeff Ostrowski · May 24, 2023

Analysis • “Archaic and Quack Ideas on Chant”

“Gentlemen: Nobody is going to follow the archaic and quack ideas on Chant you are trying to propagate.” Mr. John Sandar

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Jeff Ostrowski · January 25, 2023

PDF Download • 1909 “Modern Notation” Gradual (Extremely Rare) — 712 Pages

The truth is stranger than fiction.

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Jeff Ostrowski · January 11, 2023

PDF Download • Max Springer’s Gradual in Modern Notation (870 pages) — Extravagantly Rare!

In addition to this rare book by Max Springer (870 pages), I release the draft copy of a new Gregorian project (157 pages).

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Jeff Ostrowski · November 25, 2022

PDF Download • Traditional Notation Gradual-Book (692 Pages) on Five Lines!

This book makes it easy for singers who only know Treble Clef.

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Jeff Ostrowski · November 20, 2022

PDF Download • “How Does the Official Rhythm Actually Sound?”

Including three (3) professionally-scanned versions of the Kyriale, released here for the 1st time!

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Dr. Charles Weaver · July 23, 2022

Pothier Teaches Us to Sing an Antiphon

A look at Dom Pothier’s performance instructions for a communion antiphon reveals a great deal of complexity in this pre-Mocquereau interpretive approach.

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Jeff Ostrowski · June 1, 2022

The Official Chant Rhythm • “How Does It Sound?”

“The Vatican Edition … contains absolutely all that is needed for the exact rendition of the liturgical chant.” —Sacred Congregation of Rites (1911)

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Jeff Ostrowski · April 1, 2022

Gregorian Chant • “Its True & Authentic Rhythm”

For this coming Sunday (Passion Sunday), there’s only one “MMV” singers must observe—and I placed a little arrow above it.

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Dr. Charles Weaver · January 3, 2022

The Responsa ad dubia and the Solesmes Chant Restoration

The early history of Solesmes plainchant research provides a historical parallel for responding to current Vatican liturgical rules.

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Jeff Ostrowski · December 12, 2021

PDF Download • Vespers Organ Accompaniment — “Our Lady of Guadalupe” (12 December)

Vatican II said: “Pastors must see to it that Vespers is celebrated in parishes on Sundays and the more solemn feasts” (SC §100).

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Corpus Christi Watershed

President’s Corner

    Music List • “Ascension of the Lord”

    Readers have expressed interest in examining my “music list” for this coming Sunday.

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    —Jeff Ostrowski
    PDF Download • “For Pentecost Sunday”

    There’s a triple ‘allelúja’ and I just love the chord at the end of the 2nd iteration.

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    —Jeff Ostrowski
    PDF Download • “Organ Accompaniment”

    The following declaration will probably smack of “blowing my own horn.”

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    —Jeff Ostrowski

Quick Thoughts

    “Thee” + “Thou” + “Thine”

    Regarding approval for the “Revised Standard Version (Catholic Edition).”

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    —Jeff Ostrowski
    “Reminder” — Month of May (2026)

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

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    —Jeff Ostrowski
    Simplified Version • “Canon in D” (Pachelbel)

    I don’t care what people say; I love this piece!

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    —Jeff Ostrowski

Random Quote

[Let there be:] “The Latin, the whole Latin, and nothing but the Latin.”

— Cardinal McIntyre (one of the Vatican II fathers)

Recent Posts

  • “A New Chapter” • Subscriptions!
  • 7 Suggestions • Singing Gregorian Chant “Correctly”
  • Music List • “Ascension of the Lord”
  • Call For Submissions! • ‘Usus Antiquior’ in Contemporary Catholicism (October 2026)
  • Inspiring Paper from a Graduating High School Senior

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