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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 · April 5, 2013

Say the Black. Do the Red—with Love.

The road to the ideal must travel through the hearts and minds of real flesh and blood. If in our ministry we are not teaching love, then we have failed.

Richard J. Clark · March 31, 2013

The Power of Gregorian Chant

A crowd of nearly 1,000 people, many who don’t come to mass, many who may not prefer Gregorian Chant, many who know nothing about chant—fell silent.

Richard J. Clark · March 29, 2013

Suffering, Death, and Children’s Questions

“Why the Cross?” Little children are rarely afraid to ask the questions that adults are afraid to ask.

Richard J. Clark · March 22, 2013

A Personal Encounter with Pope Francis

While speaking to his secretary, the Holy Father came down the hall and I greeted him with the traditional kissing of his ring, and we spoke for a little over a minute.

Richard J. Clark · March 20, 2013

Free Communion Propers for the Easter Season, Year C

Free download of Communion Propers for the Easter Season, Year C

Richard J. Clark · March 17, 2013

Mourning Pope Benedict XVI and Trusting the Holy Spirit

The Church’s vast treasury of sacred music belongs to the people! This is the truth that will bear out.

Richard J. Clark · March 15, 2013

Reflections from St. Peter’s Square

Fr. Jonathan Gaspar, Priest Secretary to His Eminence Seán Cardinal O’Malley, shares his heartfelt reflections from St. Peter’s Square on the historic day of March 13, 2013.

Richard J. Clark · March 1, 2013

From Ashes to the Living Font

Sometimes we do our best work while in exile. Today, the Chair of Peter lies empty. This Lent, we will certainly end up in a different place than where we started. Hopefully, we will be transformed individually and as a Church.

Richard J. Clark · February 22, 2013

Exodus and the Chair of Saint Peter

In his book “The Spirit of the Liturgy,” Pope Benedict reminds us that Israel’s flight from Egypt had two distinct goals. One was to reach the Promised Land. But the second is perhaps far more important: Exodus 7:16 “Let my people go, that they may serve me.”

Richard J. Clark · February 15, 2013

A Proposed Lenten Fast for Musicians

Christ’s love has gathered us into one. True, we may be united in the love of Christ—but not necessarily in other things. Our differences may be vast. This is where the bounds of love and Christian charity are truly tested.

Richard J. Clark · February 8, 2013

Mardi Gras and Burying the Alleluia

The “Alleluia” was literally buried in the cemetery, leaving the people with the hope and anticipation of its Easter Sunday resurrection.

Richard J. Clark · January 25, 2013

Full and Active Preparation – ora et labora

For the sacred musician, full and active participation not only includes mindfulness during mass . . .

Richard J. Clark · January 23, 2013

A Simple SSA Offering

A beautiful model of the evangelization we must do in our churches and faith communities

Richard J. Clark · January 17, 2013

St. Cecilia, Pray for Us

Why do we so intensely hand over our lives to the Church without fully realizing it until it is much too late?

Richard J. Clark · January 14, 2013

Biography • Richard J. Clark

Richard serves as Music Director and Organist at Holy Cross Cathedral . . .

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Corpus Christi Watershed

President’s Corner

    Which Mass?
    In 1905, when the Vatican Commission on Gregorian Chant began publishing the EDITIO VATICANA—still the Church’s official edition— they assigned different Masses to different types of feasts. However, they were careful to add a note (which began with the words “Qualislibet cantus hujus Ordinarii…”) making clear “chants from one Mass may be used together with those from others.” Sadly, I sometimes worked for TLM priests who weren’t fluent in Latin. As a result, they stubbornly insisted Mass settings were ‘assigned’ to different feasts and seasons (which is false). To understand the great variety, one should examine the 1904 KYRIALE of Dr. Peter Wagner. One should also look through Dom Mocquereau’s Liber Usualis (1904), in which the Masses are all mixed up. For instance, Gloria II in his book ended up being moved to the ‘ad libitum’ appendix in the EDITIO VATICANA.
    —Jeff Ostrowski
    Like! Like! Like!
    You won’t believe who recently gave us a “like” on the Corpus Christi Watershed FACEBOOK PAGE. Click here (PDF) to see who it was. We were not only sincerely honored, we were utterly flabbergasted. This was truly a resounding endorsement and unmistakable stamp of approval.
    —Jeff Ostrowski
    PDF Download • “Atténde Dómine”
    Although it isn’t nearly as ancient as other hymns in the plainsong repertoire, Atténde Dómine, et miserére, quía peccávimus tíbi (“Look down, O Lord, and have mercy, for we have sinned against Thee”) has become one of the most popular hymns for LENT—perhaps because it was included in the famous Liber Usualis of Solesmes. This musical score (PDF file) has an incredibly accurate version in English, as well as a nice version in Spanish, and also the original Latin. Although I don’t claim to have a great singing voice, this morning I recorded this rehearsal video.
    —Jeff Ostrowski

Quick Thoughts

    “Reminder” — Month of Febr. (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
    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

“I have devoted myself too much, I think, to Bach, to Mozart and to Liszt. I wish now that I could emancipate myself from them. Schumann is no use to me any more, Beethoven only with an effort and strict selection. Chopin has attracted and repelled me all my life; and I have heard his music too often—prostituted, profaned, vulgarized … I do not know what to choose for a new repertory!”

— Ferruccio Busoni (to a colleague in 1922, when he was 56 years old)

Recent Posts

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  • PDF Download • “Gregorian Chant Booklet” mailed by Pope Saint Paul VI to every bishop
  • My Response Surprised A Parishioner ‘Upset’ About Latin

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