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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 · March 17, 2025

“Reminder” — Month of March (2025)

Since a new month has arrived, it’s my pleasure to remind you that…

Jeff Ostrowski · March 13, 2025

“Music List” • 2nd Sunday of Lent

Readers have expressed interest in examining the “music list” I prepared for this coming Sunday.

Jeff Ostrowski · March 13, 2025

Can Catholics Fulfill the Sunday Obligation on Saturday Night? • What Happened In 1983?

This concession was granted in part due to “the enormous and ever increasing frequency of weekend trips and skiing excursions…”

Jeff Ostrowski · March 12, 2025

“Entrance Chant” • 2nd Sunday of Lent

This English adaptation uses mode 4, as does the authentic Gregorian Chant version.

Jeff Ostrowski · March 10, 2025

A Spanish Hymn for Lent

This particular hymn is being considered for inclusion in the “Cantoral del Padre Antonio Daniel.”

Jeff Ostrowski · March 9, 2025

Re: Cardinal Roche Interview (6 March 2025)

For a number of reasons, this statement sounds fishy.

Jeff Ostrowski · March 8, 2025

“My Song Is Love Unknown” • Jeff Attempts to Sing All Parts … Including the Female Voices!

Few Catholics seem to realize it was Pope Pius XII who suppressed Tenebrae, a ceremony deeply loved by the faithful for centuries.

Jeff Ostrowski · March 7, 2025

“Music List” • 1st Sunday of Lent

Readers have expressed interest in examining the “music list” I prepared for this coming Sunday.

Jeff Ostrowski · March 7, 2025

“Kyrie Setting” we’re doing for Lent

Kyrie VIII with polyphony.

Jeff Ostrowski · March 6, 2025

Watch David Poon Defeat Jeff in His Own “Hymn Challenge” — Re: The English Method

Bonus! Six (6) of my favorite Lenten hymns.

Jeff Ostrowski · March 5, 2025

“You who dwell in the shelter of the Lord…”

I’m not sure I know another feast like the 1st Sunday of Lent.

Jeff Ostrowski · March 4, 2025

“Entrance Chant” • 1st Sunday of Lent

This English adaptation uses mode 8, as does the authentic Gregorian Chant version.

Jeff Ostrowski · March 1, 2025

“Music List” • 8th Sunday (Ord. Time)

Readers have expressed interest in examining the “music list” I prepared for this coming Sunday.

Jeff Ostrowski · February 28, 2025

Communion • 8th Sunday Ord. Time

This communion is particularly beautiful.

Jeff Ostrowski · February 28, 2025

Re: “Abuse of Catholic Church Musicians”

Listening to yourself singing isn’t fun—but it’s crucial if you wish to improve.

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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

“A father cannot introduce mistrust and division among his faithful children. He cannot humiliate some by setting them against others. He cannot ostracize some of his priests. The peace and unity that the Church claims to offer to the world must first be lived within the Church. ”

— Cardinal Sarah (14 August 2021)

Recent Posts

  • Fulton J. Sheen • “24-Hour Catechism”
  • 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”)

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