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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 · April 8, 2025

“And the Chief Priests…” (Palm Sunday)

“And the chief priests made a plot against Lazarus’ life too…”

Jeff Ostrowski · April 7, 2025

“Reader Feedback” • 7 April 2025

A reader in Poland writes…

Jeff Ostrowski · April 5, 2025

“Music List” • 5th Sunday of Lent

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

Jeff Ostrowski · April 5, 2025

Best-Kept “Secret” of Church Music?

Some have called it that.

Jeff Ostrowski · April 3, 2025

Cool Symbolism

That’s pretty awesome!

Jeff Ostrowski · March 31, 2025

The “Secret” Prayer

“…and work upon us until we too become an eternal offering to thee…”

Jeff Ostrowski · March 29, 2025

“Music List” • 4th Sunday of Lent

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

Jeff Ostrowski · March 27, 2025

Communion Chant (4th Sunday of Lent)

I have created a rehearsal video for this one.

Jeff Ostrowski · March 26, 2025

“Entrance Chant” • 4th Sunday of Lent

This “Entrance Chant” is used during liturgical years A, B, and C.

Jeff Ostrowski · March 22, 2025

“Music List” • 3rd Sunday of Lent

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

Corpus Christi Watershed · March 22, 2025

“Reader Feedback” • 22 March 2025

Remember: “Misery loves company!”

Jeff Ostrowski · March 17, 2025

“Entrance Chant” • 3rd Sunday of Lent

This “Entrance Chant” is used during liturgical years A, B, and C.

Jeff Ostrowski · March 17, 2025

“Reminder” — Month of March (2025)

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

Corpus Christi Watershed · March 14, 2025

“Reader Feedback” • 14 March 2025

I also hold a music degree and have accepted a job at…

Jeff Ostrowski · March 13, 2025

“Music List” • 2nd Sunday of Lent

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

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Corpus Christi Watershed

President’s Corner

    PDF Download • Communion for Sunday
    The COMMUNION ANTIPHON with fauxbourdon psalm verses for this coming Sunday (3 May 2026) is elegant and poignant. It’s such a shame it only comes every three years. This piece—along with all the musical scores for this coming Sunday, which is the 5th Sunday of Easter (Year A)—can be downloaded free of charge from the flourishing feasts website. By the way, how is it already 2026?
    —Jeff Ostrowski
    Season’s End Repertoire
    Looking at the REPERTOIRE SHEET until the end of the choral season, I see that I’ve fallen behind schedule. (The last three months have been extraordinarily busy.) As you know, I have been providing organ harmonies for all the ENTRANCE CHANTS—as well as rehearsal videos—and you can see I’m behind where I planned to be. Now I must make up lost ground. However, the choir picks up the ENTRANCE CHANT with ease, so I’m sure it will all work out. My ‘unofficial’ harmonizations are being posted each week at the flourishing feasts website.
    —Jeff Ostrowski
    PDF Download • “Funeral Procession”
    From a mediæval Book of Hours, I was sent this glorious depiction of a Roman Catholic funeral procession by Simon Bening (d. 1561). The image resolution is extremely high. I’m not sure I know of a more beautiful illustration of a mediæval church. And I love how the servers are wearing red and pink cassocks!
    —Jeff Ostrowski

Quick Thoughts

    PDF Download • “Anima Christi”
    I received a request for an organ accompaniment I created way back in 2007 for the “Anima Christi” Gregorian Chant. You can download this PDF file which has the score in plainsong followed by a keyboard accompaniment. Many melodies have been paired with “Anima Christi” over the centuries, but this is—perhaps—the most common one.
    —Jeff Ostrowski
    PDF • “Liturgical Law” (467 Pages)
    On Good Friday during the middle ages, the pope privately recited THE ENTIRE PSALTER. If you don’t believe me, see for yourself by reading this passage by Dom Charles Augustine Bachofen (d. 1943). His famous book—called “Liturgical Law: A Handbook Of The Roman Liturgy”—was published by the Benjamin Herder Book Company, which was the American arm (operating out of St. Louis, Missouri) of one of the world’s most significant Catholic publishers. Dom Charles Augustine Bachofen was born in Switzerland but spent his career between the Benedictine monasteries at Conception (Missouri) and Mount Angel (Oregon). His 1931 masterpiece, Liturgical Law can be downloaded as a PDF file … 467 pages!
    —Jeff Ostrowski
    “Gregorian Chant Quiz” • 24 March 2026
    How well do you know your Gregorian hymns? Do you recognize the tune inserted into the bass line on this score? For many years, we sang the entire Mass in Gregorian chant—and I mean everything. As a result, it would be difficult to find a Gregorian hymn I don’t recognize instantly. Only decades later did I realize (with sadness) that this skill cannot be ‘monetized’… This particular melody is used for a very famous Gregorian hymn, printed in the LIBER USUALIS. Do you recognize it? Send me an email with the correct words, and I promise to tell everybody I meet about your prowess!
    —Jeff Ostrowski

Random Quote

What earlier generations held as sacred, remains sacred and great for us too, and it cannot be all of a sudden entirely forbidden or even considered harmful.

— ‘His Holiness, Pope Benedict XVI (7 July 2007)’

Recent Posts

  • PDF Download • Communion for Sunday
  • “Translating the Bible” • Msgr. Ronald Knox (1953)
  • Season’s End Repertoire
  • PDF Download • “Funeral Procession”
  • Re: The “Correct” Way To Sing Gregorian Chant

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