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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

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Jeff Ostrowski · March 27, 2024

“Saint Felix Creed” • Musical Setting for the Nicene Creed (Roman Missal, 3rd Edition)

Dedicated to my brother, Father Mark Ostrowski.

Corpus Christi Watershed · March 24, 2024

PDF Download • “Holy Week Music Schedule” • Saint Mary’s in Norwalk, Connecticut

Expect to hear Morales, Palestrina, Victoria, Pierre de la Rue, Tallis, Haydn, Gounod, Rovetta, Lassus, Byrd, Senfl, Taverner, Wingham, and more.

Jeff Ostrowski · March 22, 2024

“Victimæ Paschali Laudes” • Thirty-One (31) Different Versions — Including Organ Accompaniments

This version by Father Adrian Fortescue is fascinating!

Jeff Ostrowski · March 18, 2024

“Simplified” Accomp. (1,700 downloads)

The last one I uploaded was downloaded more than 1,700 times in a matter of hours. Therefore, folks seem interested in such a project.

Jeff Ostrowski · March 15, 2024

Jeff Ostrowski Attempts to Sing the Easter Introit

I opted for the Church’s official rhythm.

Corpus Christi Watershed · March 14, 2024

“Lenten Polyphony for Two Voices”

On 28 February 2024, we posted this article with two women singing at Mass. Specifically, they were singing a piece for Lent called “Open, O Hard and Sinful Heart.” Since that time, the video has garnered thousands of views on YouTube and reached more than 34,000 on Facebook. If you’d like to download a special […]

Jeff Ostrowski · March 12, 2024

PDF Download • Lenten Hymn + SATB Refrain

Professor Bouyer later admitted (in his memoirs) that his team of liturgical reformers had been doomed from the start, since their goal was “recasting from top to bottom—𝘢𝘯𝘥 𝘪𝘯 𝘢 𝘧𝘦𝘸 𝘮𝘰𝘯𝘵𝘩𝘴!—an entire liturgy which had required twenty centuries to develop.”

Corpus Christi Watershed · March 4, 2024

PDF Downloads • “Contemporary Sacred Music”

Readers often send us their compositions. Today, we’d like to share some!

Jeff Ostrowski · March 2, 2024

“The Most Captivating Chorale” • (J. S. Bach)

“The mocking reed, and cruell ſpear, Their hate, his love diſplay.”

Jeff Ostrowski · March 1, 2024

“Stabat Mater” • Jeff Attempts to Sing All the Voices

A gorgeous, luscious, contemporary setting by Gustaaf Nees (d. 1965).

Jeff Ostrowski · February 28, 2024

PDF Download • “Two-Voice Polyphony For Lent”

Found in a special choral collection by Maria von Trapp.

Jeff Ostrowski · February 16, 2024

PDF Download • “For the Season of Lent” (SATB)

It even sounds great with four (4) singers: Soprano, Alto, Tenor, and Bass!

Corpus Christi Watershed · February 13, 2024

PDF Download • “Jesuit Martyrs of North America” (Stained Glass Window) — High Resolution

From “American Martyrs Catholic Church” in Manhattan Beach, California.

Jeff Ostrowski · February 13, 2024

“Ite, Missa Est” • What Does That Actually Mean?

Bishop Ambo’s assertion that Mass was attended—for centuries—by a single woman (and nobody else) is bizarre.

Jeff Ostrowski · February 10, 2024

Must We “Love” All Gregorian Chant?

Where “Parce Dómine” (the famous song for Lent) came from.

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Corpus Christi Watershed

President’s Corner

    PDF Download • Introit (2nd Sn. Ord.)
    This coming Sunday, 18 January 2026, is the 3rd 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
    PDF • “Music List” (Sunday, 11 January)
    Readers have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for Feast of the Baptism of the Lord (SUNDAY, 11 January 2025). If such a thing interests you, feel free to download it as a PDF file. The FAUXBOURDON verses for the Communion Antiphon—to say nothing of the antiphon itself—are breathtaking. As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are available at the monumental feasts website alongside the official texts in Latin.
    —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

“The plea that the laity as a body do not want liturgical change, whether in rite or in language, is, I submit, quite beside the point. … (it is) not a question of what people want; it is a question of what is good for them.”

— Dom Gregory A. Murray (14 March 1964)

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