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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

Articles

Fr. David Friel · June 30, 2013

Basilica Music Academy

A New Venture

Veronica Brandt · June 29, 2013

Of Singers and Drawers

Can’t sing, can’t draw, can type a little.

Corpus Christi Watershed · June 28, 2013

Henri Potiron Organist Vesperale (PDF Download)

Henri Potiron’s 1935 organ accompaniments for Vespers (270 pages) for free download!

Richard J. Clark · June 28, 2013

Begin From the Beginning—Interesting Things Will Happen

I have not even begun to speak of music at liturgy, music worthy of praising the God who loves us to the point of death on a cross. Where will this understanding lead us in our sacred music? Interesting things happen in our lives when we worship God.

Dr. Peter Kwasniewski · June 27, 2013

The Spirit of Solesmes

The unification of our lives, the orientation to the ultimate goal that gives meaning to every proximate and particular goal we seek, is the work of the sacred liturgy.

Jeff Ostrowski · June 26, 2013

Video Demonstration Of Polyphony

I hope you enjoy this SATB version of the St. Edmund Arrowsmith Mass, a simple musical setting for “MR3” (Roman Missal, 3rd Edition).

Corpus Christi Watershed · June 26, 2013

Did you know Lasso suffered from depression?

Lassus (†1594) was a celebrity musician in his day, and at least 2,000 of his masses, canticles, motets and hymns have survived. He was also bipolar, then called “melancholia hypochondriaca.”

Jeff Ostrowski · June 26, 2013

Gregorian Missal With The New Translation!

Can anyone help me understand this sentence in the Foreword?

Cynthia Ostrowski · June 25, 2013

Catholic Line Art, Black and White • Installment #22

I will be releasing hundreds of these B/W religious line art drawings for free and instant download. These beautiful Catholic “woodcuts” were done with magnificent skill. “Download Free Traditional Catholic Clipart”

Jeff Ostrowski · June 24, 2013

The Gather Hymnal

Excuse me, but . . . Say what? “If Christ entered the room, we’d be on our feet in an instant. We would not kneel.”

Jeff Ostrowski · June 23, 2013

Two (2) Errors In Printed Chabanel Book

There have been several errors found in the Chabanel Psalms Vocalist Book.

Fr. David Friel · June 23, 2013

Colloquium 2013

Another Year of Blessings

Veronica Brandt · June 22, 2013

Ut Queant Laxis time soon!

The hymn that gave us “Do Re, Mi” and how to type it. PDF score included.

Richard J. Clark · June 21, 2013

St. Paul’s Choir School, Harvard Square | A Unique Catholic Education

The St. Paul Choir School is now looking for talented third grade boys to apply and audition for entry in September of 2013. Director, John Robinson states,“The daily round of sung liturgy provides the perfect training ground for young singers.”

Jeff Ostrowski · June 20, 2013

Letter To Hans Küng . . . in 1963!

“Where on earth do you come up with the notion of omitting the Gradual? You talk about the necessity of going back to the very oldest of the Church’s traditions.” — Msgr. Francis P. Schmitt

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Corpus Christi Watershed

President’s Corner

    “Lamb of God” (Musical Setting)
    The MASS OF SAINT ANNE LINE has been quite popular ever since ROMAN MISSAL Third Edition was released circa 2011. You can now download the musical score (PDF) for this setting, placed into five (5) different keys; i.e. “pitch levels” that are high and low. This makes it possible to adjust based upon who’s singing at which time of day.
    —Jeff Ostrowski
    PDF Download • Introit (2nd Sn. Ord.)
    This coming Sunday, 18 January 2026, is the 2nd Sunday in Ordinary Time (Year A). The ENTRANCE CHANT is set according to the fourth mode, which sounds ‘serious’ or ‘dark’ or ‘haunting’ or ‘mysterious’—and its English adaptation corresponds to the authentic version (“Omnis terra adóret”) found in the GRADUALE ROMANUM. In this rehearsal video (click here) I attempt to sing the melody while simultaneously accompanying myself on the organ. I encourage you to print off the organ accompaniment (PDF) and play through it, because the harmonies are delightful.
    —Jeff Ostrowski
    Spectacular Communion Setting!
    The FAUXBOURDON setting of the Communion for the Baptism of the Lord (which will occur this coming Sunday) strikes me as quite spectacular. The verses—composed by the fifth century Christian poet, Coelius Sedulius—come from a long alphabetical acrostic and are deservedly famous. The feast of the LORD’S BAPTISM was traditionally the octave day of Epiphany, but in the 1962 kalendar it was made ‘more explicit’ or emphasized. The 1970 MISSALE ROMANUM elevated this feast even further.
    —Jeff Ostrowski

Quick Thoughts

    “Reminder” — Month of January (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. Signing up couldn’t be easier: simply scroll to the bottom of any blog article and enter your email address.
    —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
    PDF Download • “In Paradisum” in English
    We always sing the IN PARADISUM in Latin, as printed on this PDF score. I have an appallingly bad memory (meaning I’d be a horrible witness in court). In any event, it’s been brought to my attention that 15 years ago I created this organ accompaniment for the famous and beautiful ‘IN PARADISUM’ Gregorian chant sung in English according to ‘MR3’ (Roman Missal, Third Edition). If anyone desires such a thing, feel free to download and print. Looking back, I wish I’d brought the TENOR and BASS voices into a unison (on B-Natural) for the word “welcome” on the second line.
    —Jeff Ostrowski

Random Quote

Agnes De Mille: “When I see my work, I take for granted what other people value in it. I see only its ineptitude, inorganic flaws, and crudities. I am not pleased or satisfied.” — Martha Graham: “No artist is pleased.” ADM: “But then there is no satisfaction?” — MG: “No satisfaction whatever at any time,” she cried out passionately. “There is only a queer divine dissatisfaction, a blessed unrest that keeps us marching and makes us more alive than the others.”

— “Martha Graham on the Life-Force of Creativity”

Recent Posts

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  • PDF Download • Introit (2nd Sn. Ord.)

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