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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 · June 26, 2020

Best Practices with Current Restrictions • New Resource from Detroit

Best practices and a new antiphon project from the Archdiocese of Detroit

Richard J. Clark · June 19, 2020

Silence and The Thoughts of His Heart

Our souls are hurting and in crisis. I have no words.

Richard J. Clark · May 22, 2020

Saint Cecilia and an Angel Orazio Gentileschi and Giovanni Lanfranco

Reopening our Churches – Encouragement – Resources

As churches are working towards reopening, it is also no small change for many to concede congregational singing and choirs of any size. So many musicians have already sacrificed so much, spiritually, artistically, and economically.

Richard J. Clark · May 8, 2020

Pain, Trauma, Caution in the Choir World

Fallout from the recent NATS/ACDA webinar: A Conversation: What Do Science and Data Say About the Near Term Future of Singing.

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Richard J. Clark · April 24, 2020

If you are having a bad day, this is what it means

God ensures will blossom even harsh conditions.

Richard J. Clark · April 9, 2020

God will not be outdone in generosity.

People are hungrier than ever for the Gospel. This is a great blessing, and a turning point in our lives and ministries.

Richard J. Clark · March 28, 2020

Repeating Repertoire? • Richard J. Clark

“Repetition” in the Age of Streaming Masses…

Richard J. Clark · March 19, 2020

The Fruit of Silence is Prayer

The list of concerns is endless. Today, we may be given the gift of an overabundance of silence, but perhaps its fruit will reverberate for years.

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Richard J. Clark · January 31, 2020

Two Reasons for Fewer Vocations

The marketing and commercialization of sacred music has had vastly mixed results, some positive, but some deleterious.

Richard J. Clark · January 24, 2020

Liturgy is the work of Christ and His Body, the Church.

When we consider the redemptive power of the Mass, our eyes, hearts, and minds are opened wide!

Richard J. Clark · January 10, 2020

Chant, Mighty Pipe Organs • Two Sundays, Two Cathedrals

Gregorian Chant and mighty pipe organs will be front and center at two concerts: Boston’s Cathedral of the Holy Cross and Saint Patrick’s Cathedral, New York City.

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Richard J. Clark · December 20, 2019

Announcement of Easter & the Movable Feasts • 2020

Free download of The Announcement of Easter and the Moveable Feasts for 2020

Richard J. Clark · November 22, 2019

New England Pueri Cantores Choral Festival and Mass • Cathedral of the Holy Cross

Find Registration and info here.

Richard J. Clark · October 18, 2019

The Tradition Continues! • Seven Organists Perform

“…every bit of carpeting was removed and replaced with marble and stone…”

Richard J. Clark · October 4, 2019

Pope Francis’ Address on Sacred Music: “Liturgy is the first ‘teacher’ of catechism.”

“Do not forget this: the liturgy is the first ‘teacher’ of catechism.” — Pope Francis

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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

“The plan to definitively abolish the traditional Tridentine Mass … if it is true, seems to me to be an insult to the history of the Church and to Sacred Tradition, a diabolical project that seeks to break with the Church of Christ, the apostles, and the saints.”

— The Vatican’s chief liturgist (appointed by Pope Francis) from 2014-2021

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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