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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 · November 29, 2014

Tutorial For Priests: Singing The Prayers After The “Asperges Me”

Priests often unknowingly drift into another tone, which is not allowed.

Jeff Ostrowski · November 26, 2014

Musical Resources • 1st Sunday of Advent

Including scores, audio files, and organ accompaniments.

Jeff Ostrowski · November 24, 2014

Weakest Argument Ever Made Against “Ad Orientem”

Some weren’t happy with Bill Murray’s opinions on the Latin Mass, and a certain editor—in his zeal to refute—made an egregious error.

Jeff Ostrowski · November 21, 2014

The Traditional Way Of Having “Asperges Me”

Including a special PDF download of the “Asperges Me” you’ll want to obtain immediately!

Jeff Ostrowski · November 19, 2014

New Propers Collection By Lawrence M. Rutherford

“English Psalm-Tone Propers for the Ordinary Form of the Mass” is now available in print!

Jeff Ostrowski · November 18, 2014

“As you might imagine, it was a disaster.”

“While most worshipers were stumbling through the Introit or Collect, a few fluent in Latin would be loudly racing through the prayers.”

Jeff Ostrowski · November 18, 2014

A Photograph “Progressive” Liturgists Cannot Abide

Pope Paul VI wearing the Cappa Magna.

Jeff Ostrowski · November 17, 2014

Authentic Sacred Music Programs & King Of The Hill

We’re called to discover Christ and conform our lives to His teachings.

Jeff Ostrowski · November 10, 2014

St. Thomas Aquinas College In California

Below are a few pictures I snapped during my visit.

Jeff Ostrowski · November 9, 2014

“Fear Of The Dark-Skinned” — Really?

“Right-wing Christians push fear of the dark-skinned and fear of honesty.” —National Catholic Reporter (28 October 2014)

Jeff Ostrowski · November 6, 2014

Those Selfless Ordinary Form Priests

Yesterday evening—on his day off, after another Mass he’d offered—I observed an OF priest saying the 1962 Missal in his private chapel.

Jeff Ostrowski · November 4, 2014

Fr. Christopher Smith Weighs In

“Why am I excited? Well, every year we spend about $4,000 on those paperback missalettes…”

Jeff Ostrowski · November 3, 2014

The Most Disturbing Change To The 1962 Missal

We’re not as smart as we’d thought … and our forefathers weren’t as dumb as we’d assumed.

Jeff Ostrowski · November 2, 2014

Announcement: Solemn High Requiem In Los Angeles On Monday

Traditional Latin Mass at a cemetery in Los Angeles: TOMORROW.

Jeff Ostrowski · October 30, 2014

Bach Mass In B Minor • Robert Shaw, 1947

Download these magnificent mp3 recordings as soon as you can!

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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 hymn verse need not be a complete sentence, but it must have completed sense as a recognisable part of the complete sentence, and at each major pause there would be at least a “sense-pause.” Saint Ambrose and the early writers and centonists always kept to this rule. This indicates one of the differences between a poem and a hymn, and by this standard most of the modern hymns and the revisions of old hymns in the Breviary stand condemned.

— Fr. Joseph Connelly

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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