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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

Articles

Jeff Ostrowski · May 23, 2023

“Singing Advice” • Frank Sinatra to Ronald Reagan

Did Dom Mocquereau compose any official plainsong pieces included in the official edition? He did!

Daniel Tucker · May 22, 2023

Musician, Know Thy Theology!

Dear reader, it is up to you to ensure that the theological content of the music at your parish is faithful to the unchanging teachings of the holy Catholic Church.

Jeff Ostrowski · May 19, 2023

“Daily, Daily, Sing to Mary” • (Hymn)

My colleague, Patrick Williams, has given me permission to share with our audience a recording his choir made.

Jeff Ostrowski · May 18, 2023

Sacred Music • Inspiring Letter From “Jane Doe”

Letters like this prove there are still awesome people in this world!

Jeff Ostrowski · May 17, 2023

Understanding “Bewitched” Can Help You Appreciate Classical Music

There was no explanation given for why “Darrin Stephens” was suddenly a completely different person.

Jeff Ostrowski · May 16, 2023

Gregorian Rhythm Wars • “Jeff’s Third Response to Patrick” (16 May 2023)

I don’t think our readers are interested in what we say about Gregorian rhythm—they’re interested only in what we can demonstrate.

Jeff Ostrowski · May 16, 2023

PDF Download • César Franck Book of Gregorian Chant Accompaniments (156 Pages)

“The organ is so universally used as an accompanying instrument today that there is a pressing need to provide a written accompaniment…” —César Franck

Andrea Leal · May 16, 2023

Revealed! • Kevin Allen’s Setting of the “Confíteor Deo Omnipoténti” (SATB) for Compline

I find this melody hauntingly gorgeous.

Veronica Moreno · May 13, 2023

Terrific Pentecost Hymn You’ve Not Heard Before!

Certainly the most beautiful capital “Q” I’ve ever seen!

Jeff Ostrowski · May 11, 2023

PDF Download • Extremely Rare! Organ Accompaniment Book (165 pages)

Including an “added bonus” I discovered while researching Julius Bas (an Italian musicologist and organist).

Jeff Ostrowski · May 10, 2023

7 Suggestions • “Winning the Sacred Music Crusade”

If we truly believe what we say we believe, how can we allow goofy, off-Broadway, secular, casual music at Mass?

Dr. Lucas Tappan · May 7, 2023

Bricklayer

Dr. Lucas Tappan • “Open Letter to Discouraged Musicians”

I mentioned to my (much younger) assistant that certain battles I will no longer fight. She told me I was becoming bitter—but I can honestly say that isn’t the case.

Jeff Ostrowski · May 6, 2023

PDF Download • “Brief Choral Alleluia” (Suitable for the Ordinary and Extraordinary Form)

Too many priests are ignorant of the glories of authentic sacred music.

Jeff Ostrowski · May 5, 2023

PDF Download • “Vespers Accompaniment Booklet” (Fifth Sunday after Easter) — 20 pages

To recruit, teach, inspire, and retain volunteer choir members is no easy task!

Jeff Ostrowski · May 4, 2023

Six (6) Pernicious Hymn Pairings

The current situation is heartbreaking.

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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

Don Fernando de las Infantas wrote to the Pope, trying to get him to stop Palestrina from corrupting all the plainsong editions: “The errors which certain musicians, in all good faith, think they have found in plainchant are not errors at all, but on the contrary contain some of the most beautiful musical passages ever written.”

— Don Fernando de las Infantas (1578 A.D.)

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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