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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 · May 9, 2014

The Pipe Organ and Propers Flourish with Vexo and Weismann

While the pipe organ languishes in some places, it flourishes in others. There are three reasons why.

Richard J. Clark · May 2, 2014

The Pipe Organ in Survival Mode

Organists can no longer take for granted the dominant use—or for that matter, any use of the organ despite anything Sacrosanctum Concilium states.

Richard J. Clark · April 27, 2014

Mass in Honor of Pope Saint John Paul II

FREE DOWNLOAD of the complete score AND recordings.

Richard J. Clark · April 25, 2014

PREVIEW – Mass in Honor of Pope Saint John Paul II

Preview of the “Mass in Honor of Pope Saint John Paul II” Listen to the Gloria!

Richard J. Clark · April 18, 2014

Christ, the Wounded Healer

What role does suffering have in our lives and in our work?

Richard J. Clark · April 11, 2014

Mass of the Angels | Congregational Mass Setting in English

“My opinion is that this is one of the best congregational settings of the new texts.” — Adam Wood

Richard J. Clark · April 4, 2014

A priest who sings both energizes the liturgy and fosters interior prayer.

Once the mass began, the children began singing the Gregorian Introit, and fifteen thousand young people immediately stilled to complete silence.

Richard J. Clark · March 21, 2014

Reverent and welcoming parishes are not mutually exclusive.

Yes, the house is on fire. Yes, liturgy is important. Seriously? Yes.

Richard J. Clark · March 14, 2014

The Greatest in the Kingdom

Children grant us enormous perspective on life. They remind us not only what, but WHO is most important— namely, God and family.

Richard J. Clark · March 7, 2014

It’s impossible to please everyone so do what is right and just.

Liturgical advice from Tony Soprano???

Richard J. Clark · March 5, 2014

Misereris omnium | Ash Wednesday Introit

Few parishes are willing to sing Gregorian Introits for the Entrance Procession, but it is SIGNIFICANT that the very first Introit of Lent sings of God’s infinite MERCY.

Richard J. Clark · February 28, 2014

RCIA and the Importance of Holy Week Choir Rehearsals

He described a sense awe that overwhelmed him during the liturgy. His conclusion at the time was that he should no longer continue with RCIA. Was this a failure of the RCIA program? No, this was success!

Richard J. Clark · February 21, 2014

When in Crisis: Ideology and Diplomacy

In cases of constant crisis, diplomacy yields far more fruit than ideology. Demanding the ideal will usually get you nothing but a pink slip.

Richard J. Clark · February 7, 2014

Disparagement Is Not Helping the Cause of Liturgical Reform

Disparagement is not catechesis. It is destructive. If we are to catechize and evangelize, we must put God first, not our own preferences. Meanwhile, we must catechize and strive for the ideal.

Richard J. Clark · January 31, 2014

Changing the Culture: Progress, Not Perfection

Musicians and liturgists are something of a perfectionist lot. We often berate ourselves for lack of perfection and are highly critical when liturgy falls short of rubrics or expectations.

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Corpus Christi Watershed

President’s Corner

    PDF Download • “Organ Accompaniment”
    Over the past few years, I’ve been harmonizing all the vernacular plainsong Introit settings by the CHAUMONOT COMPOSERS GROUP. This coming Sunday—10 May 2026—is the 6th Sunday of Easter (Year A). The following declaration will probably smack of “blowing my own horn.” However, I’d rank this accompaniment as my best yet. In this rehearsal video, I attempt to sing it while simultaneously accompanying myself on the pipe organ. The musical score [for singers] as well as my organ accompaniment can be downloaded free of charge from the flourishing feasts website.
    —Jeff Ostrowski
    “Gregorian Chant Quiz” • 4 May 2026
    A few days ago, the CORPUS CHRISTI WATERSHED Facebook page posted this Gregorian Chant quiz regarding a rubric for the SEQUENCE for the feast of Corpus Christi: “Lauda Sion Salvatórem.” There is no audience more intelligent than ours—yet surprisingly nobody has been able to guess the rubric. Drop me an email with the right answer, and I’ll affirm your brilliance to everyone I encounter!
    —Jeff Ostrowski
    “Rare Photographs” • Hannibal Bugnini
    On 2 September 2025, we included in this article extremely rare photographs of Archbishop Hannibal Bugnini taken in Iran circa 1979. Bugnini had initially been banished by the pope to Uruguay, but he refused to obey. [This is interesting, since Bugnini relied upon ‘blind obedience’ when it came to modifications of the ancient liturgy.] After he refused to obey the order from the pope, Hannibal Bugnini was banished to Iran. You can also watch a short video of Hannibal Bugnini in Iran, dated 10 November 1979. That’s about a week after the USA embassy hostage crisis began in Tehran, and Pope Saint John Paul II had sent the leader of the Iranian Revolution a special letter.
    —Jeff Ostrowski

Quick Thoughts

    “Reminder” — Month of May (2026)
    On a daily basis, I speak to people who don’t realize we publish a free newsletter (although they’ve followed our blog for years). We have no endowment, no major donors, no savings, and refuse to run annoying ads. As a result, our mailing list is crucial to our survival. It couldn’t be easier to subscribe! Just scroll to the bottom of any blog article and enter your email address.
    —Jeff Ostrowski
    Simplified Version • “Canon in D” (Pachelbel)
    I published an article on 11 November 2023 called Wedding March For The Lazy Organist, which rather offhandedly made reference to a simplified version I created in 2007 for Pachelbel’s Canon. I often use it as a PROCESSIONAL for weddings and quinceañeras. Many organists say they “hate” Pachelbel’s Canon. But I love it. I think it’s bright and beautiful. I created that ‘simplified version’ for musicians coming to grips with playing the pipe organ. It can be downloaded as a free PDF if you visit Andrea Leal’s article dated 15 August 2022: Manuals Only: Organ Interludes Based on Plainsong. Specifically, it is page 84 in that collection—generously offered as a free PDF download. Johann Pachelbel (d. 1706) was a renowned German organist, violinist, teacher, and composer of over 500 works. A friend of Bach’s family, he taught Johann Christoph Bach (Sebastian Bach’s eldest brother) and lived in his house. Those who read Pachelbel’s biography will notice his connection to two German cities adopted as famous hymn tune names: EISENACH and ERFURT.
    —Jeff Ostrowski
    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

Random Quote

“As often as possible they gathered together the children of the village and sat them down in the cabin. Father Brébeuf would put on a surplice and biretta and chant the Our Father, which Father Daniel had translated into Huron rhymes, and the children would chant it after him. Next, he taught them the sign of the cross, the Hail Mary, the Apostles’ Creed, and the Commandments.”

— Biography of St. Jean de Brébeuf

Recent Posts

  • “Reminder” — Month of May (2026)
  • “Englished” Gregorian Chant • 5 Considerations
  • Simplified Version • “Canon in D” (Pachelbel)
  • PDF Download • “Organ Accompaniment”
  • “Gregorian Chant Quiz” • 4 May 2026

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