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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

Corpus Christi Watershed

Corpus Christi Watershed · May 3, 2013

02 • Lalemant Interviews: Dr. Jeremy Sienkiewicz

Does the Church really allow the Gospel to be replaced by excerpts from Machiavelli’s THE PRINCE? Seriously? Dr. Jeremy Sienkiewicz of Benedictine College chats about numerous topics, including the Mass Propers.

Corpus Christi Watershed · May 2, 2013

Pope Emeritus Benedict XVI Welcomed By Pope Francis

“The emeritus pope, who made the unprecedented decision to step down from his role in February, will now live in a converted monastery near current Pope Francis.” — New York Daily News

Corpus Christi Watershed · April 29, 2013

Free Responsorial Psalm, 6th Sunday of Easter, Year C

R. O God, let all the nations praise you!
Vs. May God have pity on us and bless us . . .

Corpus Christi Watershed · April 23, 2013

01 • Lalemant Interviews: Fr. Christopher Mann

Corpus Christi Watershed will be conducting a series of interviews with priests, seminarians, sisters, and lay folks to raise awareness about the Mass Propers.

Corpus Christi Watershed · April 23, 2013

This Sunday’s Responsorial Psalm . . . Free To All

R. I will praise your name forever, my king and my God.
“The LORD is gracious and merciful . . .”

Corpus Christi Watershed · April 21, 2013

ABOUT THIS SITE: St. René Goupil Gregorian Chant

Free Gregorian Chant Recordings for the Extraordinary Form . . . complete at last!

Corpus Christi Watershed · April 16, 2013

Benedict XVI Turns 86 Years Old

His first birthday as Pope Emeritus. This is a really nice video honoring His Holiness.

Corpus Christi Watershed · April 1, 2013

Simple English Propers (Divine Mercy Sunday)

What would the Simple English Propers sound like harmonized as if they were Chabanel Psalms? That is, according to the principles of the Nova Organi Harmonia?

Corpus Christi Watershed · March 27, 2013

Cardinal Burke, Maestro Charles Cole, A Great Blog

“Afterwards I had an opportunity to speak with Cardinal Burke and he spoke of the importance of Sacred Music. We also talked about the Church Music Association of America and the important work which this organisation does. He went back to his office and returned with a gift for me . . .” — Mæstro Charles Cole

Corpus Christi Watershed · March 26, 2013

Why Is This Interview Not Better Known?

“We are today not another Church as 500 years ago. It is always the same the Church. What is one time holy for the Church is always holy for the Church and is not in [an] other time an impossible thing.” — Cardinal Ratzinger, speaking in English to Raymond Arroyo (2003)

Corpus Christi Watershed · March 21, 2013

Good Friday Passion In Parts – Free PDF Booklet

This beautiful PDF was created by Jim & Claire Ridley.

Corpus Christi Watershed · March 21, 2013

Passion Booklet “in parts” For Palm Sunday (YEAR C)

Jon Laird has kindly created a printable PDF Gospel Booklet for Passion (Palm) Sunday containing the Passion for Year C.

Corpus Christi Watershed · March 19, 2013

1900 (?) Lepage Gregorian Accompaniment Treatise

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

Corpus Christi Watershed · March 19, 2013

1890 Organum Comitans ad Vesperale (Hanisch)

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

Corpus Christi Watershed · March 19, 2013

1907 Vespers of B.V.M. Accompaniment

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

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Corpus Christi Watershed

President’s Corner

    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
    Simplified Accomp. • Schubert’s “Ave Maria.”
    Sometimes the organist must simultaneously serve as the CANTOR. (Those who work in the field of church music know exactly what I’m talking about.) One of our contributors composed this simplified keyboard accompaniment for Franz Schubert’s “Ave Maria,” a piece which is frequently requested for Catholic funerals and weddings. In terms of the discussion about whether that piece is too theatrical (‘operatic’) for use in Church, I will leave that discussion to others. All I know is, many church musicians out there will appreciate this simplified version.
    —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

“To treat harmony and rhythm in this matter was a difficult matter. Facing numerous problems both large and small—that arose constantly—we understood that a flawless harmonization of Gregorian chant cannot be created by improvisation, no matter the competence and ability of the organist or harmonist.”

— ‘Mons. Jules Van Nuffel, NOH Preface’

Recent Posts

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

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