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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

Jeff Ostrowski • Article Archive

A theorist, organist, and conductor, Jeff Ostrowski holds his B.M. in Music Theory from the University of Kansas (2004). He completed studies in Education and Musicology at the graduate level. Having worked as a church musician in Los Angeles for ten years, in 2024 he accepted a position as choirmaster for Saint Mary of the Immaculate Conception in Michigan, where he resides with his wife and children. —Read full biography (with photographs).

Jeff Ostrowski · October 19, 2017

Sensational Testimony • On Our Feastday!

“Fr. Ryan told me he’s amazed at how the liturgy has been transformed, and that never in seminary did he believe this kind of liturgy would be possible at a Montana parish.”

Jeff Ostrowski · October 17, 2017

PDF Download • Rare German Hymnal

Fr. Guido Maria Dreves was a Jesuit priest who died in 1909.

Jeff Ostrowski · October 15, 2017

Video • “Subveníte Sancti Dei” (Requiem)

November 2nd will be here soon!

Jeff Ostrowski · October 14, 2017

19th Sunday after Pentecost (3rd in October)

“Let Thy healing power, O Lord, in mercy deliver us from our waywardness and cause us ever to cleave to Thy commandments…”

Jeff Ostrowski · October 6, 2017

18th Sunday after Pentecost (2nd in October)

“Let the operation of Thy mercy, we beseech Thee O Lord, direct our hearts, for without Thee we cannot please Thee.”

Jeff Ostrowski · October 6, 2017

EF Introit for this coming Sunday: “Da Pacem”

Never let anyone tell you there is no longer interest in Gregorian chant.

Jeff Ostrowski · October 4, 2017

Superlative Way To Explain Polyphony

To use melodies in this way may seem an easy task, but nothing could be further from the truth.

Jeff Ostrowski · October 3, 2017

Agnus Dei • “Missa Mille Regretz” by Fr. Cristóbal de Morales (d. 1553)

Can you hear the imaginary high note?

Jeff Ostrowski · September 29, 2017

Church Music Dubia Remain Unanswered

The time for serious discussions about church music has not yet come.

Jeff Ostrowski · September 27, 2017

Translations By Non-Catholics In A Catholic Hymnal?

The fear was that Protestant translators might distort the theology contained in the ancient Catholic hymns…

Jeff Ostrowski · September 22, 2017

Chants • Our Lady of the Holy Rosary (October 7th)

Next Sunday, some EF priests will choose an “external solemnity.”

Jeff Ostrowski · September 20, 2017

16th Sunday after Pentecost (4th in September)

“Let Thy grace, we beseech Thee, O Lord, ever go before us…”

Jeff Ostrowski · September 20, 2017

PDF Download • “Missal for the Laity” (1846)

Have you noticed liturgical progressives are never happy?

Jeff Ostrowski · September 19, 2017

PDF Download • “Lauda Sion” Hymnal (1886)

Hymns to the Blessed Virgin, Hymns for Benediction, Offertories, etc.

Jeff Ostrowski · September 15, 2017

“O Sanctissima” • SATB Contemporary Setting!

I bet you haven’t heard this arrangement!

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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

“Since the English is not meant to be sung, but only to tell people who do not understand Latin what the text means, a simple paraphrase in prose is sufficient. The versions are not always very literal. Literal translations from Latin hymns would often look odd in English. I have tried to give in a readable, generally rhythmic form the real meaning of the text.”

— Fr. Adrian Fortescue (1913)

Recent Posts

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  • “Lamb of God” (Musical Setting)
  • “Sacred Music Journal” Editor Sings w/ Our Choir
  • PDF Download • Introit (2nd Sn. Ord.)

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