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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 · May 16, 2015

Ascension • A Gorgeous Illumination

“We pay more attention to singing when we are nervous.”

Jeff Ostrowski · May 13, 2015

Will You Be A Hero?

We need a few more people willing to give $5.00 per month—please help! Thank you!

Jeff Ostrowski · May 13, 2015

“Omnes Gentes Plaudite” • Sequence For Ascension

“The Staff used by Christ was the Cross…”

Jeff Ostrowski · May 12, 2015

Heretical Hymns & Transformation

I hope Dr. Tappan will tell us someday how such a transformation happened!

Jeff Ostrowski · May 12, 2015

Stephen Colbert: “I’m Not A Fan Of Guitar Masses”

Perhaps it requires a comedian to realize that not all musical styles are appropriate for Mass.

Jeff Ostrowski · May 11, 2015

VIDEO • Watch Jeff Ostrowski Load Choir Binders

Wow—did you ever see anyone load them this fast?

Jeff Ostrowski · May 11, 2015

Stunning Hymn With 3-Voice Polypony You Will Want To Sing For Pentecost

A story about Victoria—perhaps a myth—says Palestrina was jealous of his student’s first drafts.

Jeff Ostrowski · May 10, 2015

Resources • 5th Sunday after Easter (1962 Missal)

We are getting close to Pentecost, when the FSSP Superior General will visit our parish.

Jeff Ostrowski · May 5, 2015

The Actual Vestments Of Pope Saint Pius V

Let’s be honest…those shoes look nice and comfy!

Jeff Ostrowski · May 4, 2015

Video • “Vidi Aquam” Organ Accompaniment By Jeff Ostrowski

The “Method of Gregorian Accompaniment” by Flor Peeters is excellent.

Jeff Ostrowski · May 1, 2015

In This Regard, The EF Cannot Compare To The OF

If you’re searching for “Cum vénerit Paráclitus,” you might want to check the *D* section…

Jeff Ostrowski · May 1, 2015

Resources • 4th Sunday after Easter (1962 Missal)

The Communion can be written “Dum venerit” or “Cum venerit”—both are correct.

Jeff Ostrowski · May 1, 2015

Twelve (12) PDF Guides To Pronouncing Latin

Fr. Carlo Rossini’s is probably the best, but 11 more are also provided.

Jeff Ostrowski · April 30, 2015

Liturgy Gone Wild

What do progressive liturgists truly want?

Jeff Ostrowski · April 29, 2015

Rare Video • Richard Nixon Meets With Pope Paul VI

Footage taken by John Ehrlichman a 1970s “home video reel.”

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Corpus Christi Watershed

President’s Corner

    2-Voice Arrangement for Lent
    Those seeking a two-voice arrangement for LENT and PASSIONTIDE should click here and scroll down. It’s based on number 775 in the Brébeuf Hymnal, with an enchanting melody written by Kevin Allen (the legendary American composer of sacred music). That text—“Pendens In Crucis Cornibus”—is often used for the Feast of our Lady of Sorrows. That link is important because, in addition to the musical score, it provides free rehearsal videos for each individual voice: something volunteer choirs appreciate!
    —Jeff Ostrowski
    “Sanctus VIII” • Organ Accompaniment
    A few days ago, I composed this organ harmonization for SANCTUS VIII. This Mass is traditionally called Missa de ángelis or “Mass of the angels.” In French, it is Messe de Anges. You can evaluate my attempt to simultaneously accompany myself on the pipe organ (click here) while singing the melody. My parish is currently singing this setting.
    —Jeff Ostrowski
    Music List • (5th Sund. Ordinary Time)
    Readers have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for this coming Sunday, 8 February 2026, which is the 5th Sunday in Ordinary Time (Year A). If such a thing interests you, feel free to download it as a PDF file. You will probably notice it isn’t as ‘complete’ or ‘spiffy’ as usual, owing to some difficulties which took place this week.
    —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

“The translator desires in conclusion to protest that if, (which he hopes and believes is not the case,) either the translation itself, or the footnotes, should contain anything which a faithful Catholic ought not to have written, he has written such passage inadvertently.”

— John Crichton-Stuart (27 June 1879)

Recent Posts

  • 2-Voice Arrangement for Lent
  • Pope Paul VI • “Sacrificium Laudis” (15 Aug 1966)
  • “Sanctus VIII” • Organ Accompaniment
  • PDF Download • Sanctus VIII Organ Accompaniment (“Mass of the Angels”)
  • Gorgeous Image of Monks Singing!

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