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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 · June 14, 2021

1975 • Jerry Brown Vs. William F. Buckley: “Was Thomas Aquinas Liberal or Conservative?”

Ronald Reagan stopped being governor of California in 1975; then Jerry Brown was elected. Bizarrely, Brown ended his final term in 2019.

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Jeff Ostrowski · June 11, 2021

“Easy Polyphonic Agnus Dei” • Part 1 of 3

A perfect canon is the hardest thing to compose—and this is one!

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Jeff Ostrowski · June 11, 2021

YouTube • “Latin Mass in Scotland”

We seldom post YouTube videos, and hope our readers will pardon this exception…

Jeff Ostrowski · June 10, 2021

What A Real Catholic Conductor Looks Like

What exactly is “the presence” ??

Jeff Ostrowski · June 9, 2021

Jordan B. Peterson • “My Biggest Regret In Life”

…church musicians will be surprised by this!

Jeff Ostrowski · June 8, 2021

Twelve (12) Tips • “Keeping Choir Members Happy”

Add variety to the singing, so choir members will “take delight” in what they are doing—and they should be “taking delight” in singing praises to God.

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Jeff Ostrowski · June 7, 2021

“Part 2 of 3” • Guerrero Kyrie for Our Lady

This *might* be the most beautiful 45 seconds in music—Father Guerrero’s compositions are truly awe-inspiring!

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Jeff Ostrowski · June 6, 2021

PDF Drafts • Ten (10) Gregorian Chant Litanies

Here’s what I currently have…but several of these draft copies are pretty ugly!

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Jeff Ostrowski · June 4, 2021

They Did Something Bad & Inexplicable • (Documentation Included)

I beg you on my hands and knees to read verses 12-20.

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Jeff Ostrowski · June 3, 2021

3 June 2021 • Re: “Mass of the Angels”

In the past, we have provided thirteen organ accompaniments to Mass VIII (a.k.a. “Missa de Angelis”). Some versions of the KYRIALE use the melody from Sanctus VIII for Agnus VIII also. Dr. Peter Wagner’s 1903 edition of the KYRIALE does this, as we mentioned earlier this month. Please sing through Sanctus VIII and then sing […]

Jeff Ostrowski · June 2, 2021

PDF Download • Organ Accompaniments for “Lauda Sion Salvatorem” (Sequence)

“Man cannot understand this, cannot perceive it; but a lively faith affirms that the change—which is outside the natural course of things—takes place.” (Ladua Sion, v12)

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Jeff Ostrowski · June 1, 2021

1 June 2021 • Unsure of Author

The editors of this 1667AD Missale Romanum weren’t sure who wrote the VEXILLA REGIS hymn, so they wrote this in the margin. (To be fair, the original text by Bishop Fortunatus was greatly altered under Pope Urban VIII.)

Jeff Ostrowski · May 31, 2021

News From Belgium • Re: Choral “Our Father”

Including an update on the Sacred Music Symposium.

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Jeff Ostrowski · May 29, 2021

(Holy Trinity Sunday) • An Astonishing Hymn!

Hymns by Monsignor Knox often make reference to “the friendless”—have you ever been without a friend?

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Jeff Ostrowski · May 29, 2021

PDF Download • “Credo VII Polyphonic Extension” for a Girls’ Choir

We’ve decided to try an experiment, with assistance from one of my favorite composers: Giovanni Maria Nanino (d. 1607).

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Corpus Christi Watershed

President’s Corner

    PDF Download • “Atténde Dómine”
    Although it isn’t nearly as ancient as other hymns in the plainsong repertoire, Atténde Dómine, et miserére, quía peccávimus tíbi (“Look down, O Lord, and have mercy, for we have sinned against Thee”) has become one of the most popular hymns for LENT—perhaps because it was included in the famous Liber Usualis of Solesmes. This musical score (PDF file) has an incredibly accurate version in English, as well as a nice version in Spanish, and also the original Latin. Although I don’t claim to have a great singing voice, this morning I recorded this rehearsal video.
    —Jeff Ostrowski
    Music List • (1st Sunday of Lent)
    Readers have expressed interest in seeing the ORDER OF MUSIC I’ve prepared for this coming Sunday—22 February 2026—the 1st Sunday of Lent (Year A). If such a thing interests you, feel free to download it as a PDF file. As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are available at the outstanding feasts website alongside the official texts in Latin. I spent an enormous amount of time preparing this ORDER OF MUSIC—because the children’s choir will join us—and some of its components came out great. For example, the COMMUNION ANTIPHON with Fauxbourdon is utterly resplendent, yet still ‘Lenten’.
    —Jeff Ostrowski
    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

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

“We decided to entrust this work to learned men of our selection. They very carefully collated all their work with the ancient codices in Our Vatican Library and with reliable, preserved or emended codices from elsewhere. Besides this, these men consulted the works of ancient and approved authors concerning the same sacred rites; and thus they have restored the Missal itself to the original form and rite of the holy Fathers.”

— ‘Pope St. Pius V (Quo Primum, 1570)’

Recent Posts

  • The Weekday Communions of Lent
  • PDF Download • “Atténde Dómine”
  • “Chant Is Not a Penitential Act” • Lenten Reflection by Daniel Marshall
  • (Ash Wednesday) • Medieval Illumination Depicting the Distribution of Ashes
  • Music List • (1st Sunday of Lent)

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