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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

Guest Author

Guest Author · September 5, 2016

Guest Article: “Why That Hymn Doesn’t Work”

Twelve Criteria to Help Explain Yourself

Guest Author · April 6, 2016

Musical and Liturgical Life at the St. Lawrence Catholic Campus Center

Praising our Extraordinary God in the Ordinary Form

Guest Author · March 5, 2016

“To Sing With The Angels” • A History Of The Twin Cities Catholic Chorale

A guest article by Dr. Virginia A. Schubert.

Guest Author · January 25, 2016

Reflections on the Change of the Mandatum Rite

A guest article by Mr. Michael Chan, who lives in Hong Kong.

Guest Author · December 14, 2015

Benedict XVI Institute Seeks Executive Director

Are you an entrepreneur?

Guest Author · November 7, 2015

Sermon on Poor Souls • Based on Wisdom 2:23—3:9

A guest article by Fr. Valentine Young, OFM

Guest Author · October 12, 2015

“Saving” Gregorian Chant In The Ordinary Form

Daniel Craig’s review with a “signs of the times” digression.

Guest Author · September 9, 2015

PDF Download • SAB Setting of “Jesu Rex Admirabilis”

Including an update on wonderful things happening for Sacred Music in Colorado!

Guest Author · September 1, 2015

The Responsorial Psalm: What You Never Knew!

…including recent documentation from the Bishops’ Committee on the Liturgy (USCCB).

Guest Author · August 31, 2015

Adapting Chant To The Vernacular

“The more closely a composition approaches the Gregorian melodic form, the more sacred it becomes.”

Guest Author · February 11, 2015

Lenten Acclamations To Genevan Psalm Tunes

“Dom Beauduin realised that the singing of psalms and the reading of the Scriptures in divine worship is the greatest bond between Catholics and Protestants.” —Fr. Mark Woodruff

Guest Author · February 9, 2015

“No Approval Needed for Substitute Songs” says USCCB • Exclusive Documentation

“After six months and 70+ letters, I received a letter from the chairman of Bishops’ Committee on the Liturgy.” —Dan Craig

Guest Author · January 29, 2015

How Important Is The Poetic Value Of A Hymn?

“If Christians want me to believe in their god, they will have to sing me better hymns.” —Nietzsche

Guest Author · December 27, 2014

A Close Friend & Advisor To Hans Küng Reacts To Our Recent Posting Of A Breviary From 1967

“I regretted the loss of the beautiful Latin cadences and sonorous chant but appreciated the understanding brought by the English translation…” —Thomas Riplinger

Guest Author · December 23, 2014

More On Secular Music At Mass … John Lennon?

It might just be my imagination, but isn’t the John Lennon’s “So this is Christmas” the same as that Alleluia?

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Corpus Christi Watershed

President’s Corner

    PDF Download • “Ubi Caritas” (SATB)
    I remember singing “Ubi Cáritas” by Maurice Duruflé at the conservatory. I was deeply moved by it. However, some feel Duruflé’s version isn’t suitable for small choirs since it’s written for 6 voices and the bass tessitura is quite low. That’s why I was absolutely thrilled to discover this “Ubi cáritas” (SATB) for smaller choirs by Énemond Moreau, who studied with OSCAR DEPUYDT (d. 1925), an orphan who became a towering figure of Catholic music. Depuydt’s students include: Flor Peeters (d. 1986); Monsignor Jules Van Nuffel (d. 1953); Arthur Meulemans (d. 1966); Monsignor Jules Vyverman (d. 1989); and Gustaaf Nees (d. 1965). Rehearsal videos for each individual voice await you at #19705. When I came across the astonishing English translation for “Ubi Cáritas” by Monsignor Ronald Knox—matching the Latin’s meter—I decided to add those lyrics as an option (for churches which have banned Latin). My wife and I made this recording to give you some idea how it sounds.
    —Jeff Ostrowski
    PDF • “Cantus Mariales” (192 pages)
    Andrea Leal has posted an absolutely pristine scan of CANTUS MARIALES (192 pages) which can be downloaded as a PDF file. To access this treasure, navigate to the frabjous article Andrea posted Monday. The file is being offered completely free of charge. The beginning pages of the book have something not to be missed: viz. a letter from Pope Saint Pius X to Dom Pothier, in which the pope calls Abbat Pothier “a man versed above all others in the science of liturgy, and to whom the cause of Gregorian chant is greatly indebted.”
    —Jeff Ostrowski
    Music List • (2nd Sunday of Lent)
    Readers have expressed interest in seeing the ORDER OF MUSIC I created for this coming Sunday, which is the 2nd Sunday of Lent (1 March 2026). If such a thing interests you, feel free to download it as a PDF file. This feast has magnificent propers. Its somber INTROIT is particularly striking—using a haunting tonality—but the COMMUNION with its fauxbourdon verses is also quite remarkable. I encourage all the readers to visit the feasts website, where the Propria Missae may be downloaded completely free of charge.
    —Jeff Ostrowski

Quick Thoughts

    Extreme Unction
    Those who search Google for “CCCC MS 079” will discover high resolution images of a medieval Pontificale (“Cambridge, Corpus Christi College, MS 079”). One of the pages contains this absolutely gorgeous depiction of the Sacrament of Extreme Unction.
    —Corpus Christi Watershed
    PDF Chart • “Plainsong Rhythm”
    I will go to my grave without understanding the lack of curiosity so many people have about the rhythmic modifications made by Dom André Mocquereau. For example, how can someone examine this single sheet comparison chart and at a minimum not be curious about the differences? Dom Mocquereau basically creates a LONG-SHORT LONG-SHORT rhythmic pattern—in spite of enormous and overwhelming manuscript evidence to the contrary. That’s why some scholars referred to his method as “Neo-Mensuralist” or “Neo-Mensuralism.”
    —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

Random Quote

“The sacrificial death of Jesus Christ the High Priest on Calvary is and will remain the basis for the active participation of the faithful in the liturgy. Membership in the Church, which is brought about by valid baptism, makes one a part of the Mystical Body of Christ, THE PRIEST, to whose priesthood one is interiorly conformed through the baptismal character.”

— “Divini Cultus Studium” (Dr. Robert A. Skeris, 1990)

Recent Posts

  • PDF Download • “Ubi Caritas” (SATB)
  • PDF • “Cantus Mariales” (192 pages)
  • PDF Download • Fourteen (14) Versions of the Splendid Hymn: “Salve Mater Misericordiae”
  • Fulton J. Sheen • “24-Hour Catechism”
  • Music List • (2nd Sunday of Lent)

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