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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

Richard J. Clark • Article Archive

Richard J. Clark is the Director of Music of the Archdiocese of Boston and the Cathedral of the Holy Cross. He is also Chapel Organist (Saint Mary’s Chapel) at Boston College. His compositions have been performed worldwide.—Read full biography (with photographs).

Richard J. Clark · November 18, 2016

A Dad’s Dilemma • I pray and God determines.

Working for the Church is wholly at odds with having a family and being present for them.

Richard J. Clark · November 4, 2016

Seraphim Singers Premiere “I Am the Land: A Poem in Memory of Óscar Romero”

Assassinated on March 24, 1980 while saying Mass, Romero was beatified by Pope Francis on May 23, 2015.

Richard J. Clark · October 26, 2016

I Say: “Good for Marty Haugen”

He has been on top of the Roman Catholic world of liturgical music for decades.

Richard J. Clark · October 21, 2016

Memorial of Pope Saint John Paul II

Two FREE resources honoring Pope Saint John Paul II

Richard J. Clark · October 14, 2016

The Unhealthy Liturgical Obsession with Self

It is not found in the Roman Rite. It is not there in the scriptures. We are in fact inserting such self-obsession.

Richard J. Clark · October 7, 2016

Vocation Directors Immersed in Chant—Immersed in Prayer

This isn’t about chant. This isn’t about a style of music. It is about the urgency we face with vocations.

Richard J. Clark · September 23, 2016

The Choir Isn’t Everything

The priest’s musical role is enormously influential. This can not be emphasized enough.

Richard J. Clark · September 9, 2016

Three Things that Inform the Work of Every Parish: Hospitality, Catechesis, Evangelization

These three elements inform most every aspect of our service to God and the faithful.

Richard J. Clark · September 2, 2016

The Power of Wordless Presence

Many of us are gearing up our choir programs. Yet if we do not invest of ourselves time to “know” the Lord, our work may be for our own glorification rather than for God’s.

Richard J. Clark · August 26, 2016

Communion Antiphons for Advent & Christmas • NEW • World Library Publications

World Library Publications has published settings of Communion propers for Advent and Christmas. Listen here to beautiful recordings directed by Paul French.

Richard J. Clark · August 19, 2016

Saint Cecilia and an Angel Orazio Gentileschi and Giovanni Lanfranco

New Resource from the Archdiocese of Boston for First Communion and Confirmation

The most important element of this document is not the list of hymns and chants, but the vital coupling of faith formation and sacred music.

Richard J. Clark · August 12, 2016

The Difficulty of Cultivating a Prayerful Focus for Musicians

Quiet prayer for church musicians is very difficult to come by. Here are nine things one may find helpful.

Richard J. Clark · August 5, 2016

“Ad Orientem” and Granovetter’s Threshold Models of Collective Behavior

The people deserve to know the truth. It is time for ignorance to end so that the faithful may develop informed opinions.

Richard J. Clark · July 15, 2016

Letter from USCCB Committee on Divine Worship on “Ad Orientem”

Most Rev’d Serratelli says the current rubrics “reflect the real possibility that the celebrant might be facing away from the assembly.”

Richard J. Clark · July 15, 2016

The Illusion of Privacy • Social Media Etiquette for Liturgical Musicians

A very wise and compassionate Jesuit priest kindly exhorted me to avoid writing such missives. I quickly heeded his advice. So should you. Here’s why:

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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

“For the Pharisees, and all the Jews, except they wash their hands, eat not, holding the tradition of the elders”—is that English idiom? “For the Nazis, and all the Germans, except they say Heil Hitler! meet not in the street, holding their lives valuable”—is that English idiom?

— Monsignor Ronald Knox

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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