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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 · July 22, 2015

The “Little Rock Nine” & Sacred Music

How could closing down all the schools be a good plan?

Jeff Ostrowski · July 21, 2015

Fr. Robert E. Barron To Be Made A Bishop!

Three new auxiliary bishops for Los Angeles!

Jeff Ostrowski · July 21, 2015

Fr. Carlo Rossini Is Wrong About “EU”

You can sleep soundly at night, knowing how to correctly pronounce “hagióque pnéumate.”

Jeff Ostrowski · July 20, 2015

“Sacred Vs. Secular Music” • Fr. John C. Selner

“…like man, Mary, you are IN—really cool among women.”

Jeff Ostrowski · July 20, 2015

Is Renaissance Music Too Expressive For Holy Mass?

“To thee do we send up our sighs, mourning and weeping in this valley of tears.”

Jeff Ostrowski · July 18, 2015

Church Needs “Disposable Art” Created To Last “Not Centuries, But Weeks (Or Hours).”

Fr. Robert W. Hovda argues that “Little Green Apples” can be sung during Mass.

Jeff Ostrowski · July 16, 2015

Musical Resources • 8th Sunday after Pentecost (Extraordinary Form)

“The master in this Gospel is praising, not the wrongful act of the unfaithful steward, but the peculiar astuteness with which he makes friends who will be useful when things go amiss.” (Maredsous N. T.)

Jeff Ostrowski · July 16, 2015

Is Latin Impossible For Choirs?

When priests came into Bishop Trautman’s office asking permission, he would start speaking Latin to them.

Jeff Ostrowski · July 15, 2015

“Asperges Me” • Gregorian Chant

In the Extraordinary Form, the “Asperges Me” is only used on Sundays.

Jeff Ostrowski · July 14, 2015

1951 Solemn Pontifical Field Mass • With 100-Voice “Palestrina Cathedral Choir”

Following the Mass, Archbishop Joseph H. Schlarman was made an honorary Indian chief.

Jeff Ostrowski · July 13, 2015

SATB “Kyrie Eleison” • Henri Durieux

It’s extremely short and not difficult—yet fresh & gorgeous.

Jeff Ostrowski · July 13, 2015

The Day Fulton J. Sheen Made A Mistake

“Sheen told a friend of mine that anything he’d ever said of significance was taken from either Knox or Chesterton.” —Fr. George Rutler

Jeff Ostrowski · July 10, 2015

“You Will Now Feel These Interior Sentiments…”

Can you imagine a liturgical commentator standing at the front of Church declaring something like that?

Jeff Ostrowski · July 9, 2015

Musical Resources • 7th Sunday after Pentecost (Extraordinary Form)

The organist will play softly at the Offertory.

Jeff Ostrowski · July 8, 2015

Beware Of Microphones!

My mother was present during that Mass and recorded some brief snippets on her iPhone.

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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

“Now we are aware of the fact that during recent years some artists, gravely offending against Christian piety, have dared to bring into churches works devoid of any religious inspiration and completely at variance with the right rules of art.”

— Ven. Pope Pius XII (25 December 1955)

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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