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Corpus Christi Watershed

“A much greater source of anxiety to Us is the style of action of those who maintain that liturgical worship should shed its sacred character, who foolishly say we should substitute for sacred items & furnishings ordinary common things in daily use.” —Pope Saint Paul VI (14 Oct 1968)

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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 14, 2022

14 May 2022 • Gorgeous Book

If there is a more beautiful book than Abbat Pothier’s 1888 Processionale Monasticum, I don’t know what it might be. This gorgeous tome was today added to the Saint John Lalande Online Library. I wish I owned a physical copy.

Jeff Ostrowski · May 10, 2022

“Big Reveal” by the Symposium Committee

We are so pleased to welcome this priest!

Jeff Ostrowski · May 7, 2022

“Yes or No?” • Thoughts On Singing The Creed

If his choir sounds terrible, why would you trust his advice?

Jeff Ostrowski · May 3, 2022

Sound Familiar?

1 June 1579: “The chapter passes a rule that anyone ascending to the new organ without official permission shall be fined a month’s pay.” 26 October 1579: “The altar boys remain always separate and distinct from choirboys—the one group learning only plainchant and assisting at the altar, the other living with the chapel-master and studying […]

Jeff Ostrowski · April 30, 2022

A “Dirty” Word (For Musicians)

Around the year 1955, “transcription” became a dirty word.

Jeff Ostrowski · April 25, 2022

Choirs Love This Piece!

Back in 2001, I created an arrangement of “O Filii Et Filiae” based on the work of Monsignor Jules Van Nuffel. You can access free rehearsal videos at #5909. Choirs absolutely love singing this piece. You can hear my volunteer choir singing a live recording.

Jeff Ostrowski · April 23, 2022

Choir Directors • “Is It Worth The Struggle?”

The choir director’s vocation is chock-full of difficulties.

Jeff Ostrowski · April 18, 2022

{ Next Year! } • Somber Kyrie Settings For Lent

Corpus Christi Watershed has provided rehearsal videos to assist choir members who do not read music well.

Jeff Ostrowski · April 14, 2022

Holy Thursday Introit • “Pure” Vaticana

Many people wonder what Cantus Gregorianus sounds like when sung according to the “official rhythm.” You can hear the Introit for Maundy Thursday sung that way—i.e. according to the “pure” Editio Vaticana—if you click here. Technically, this is the only interpretation allowed by the Church; cf. the letter of Cardinal Martinelli (18 February 1910).

Jeff Ostrowski · April 13, 2022

Kevin Allen’s “Dómine Convértere” Sung At Saint Peter’s Basilica (Vatican City)

The Vatican’s choir sounds beautiful these days—no longer is it “the scandal of Christendom.”

Jeff Ostrowski · April 12, 2022

“Ah, Holy Jesus, How Hast Thou Offended?”

A wonderful passiontide hymn is #692 in the Brébeuf hymnal. It works especially well for Communion. Here is a live recording from last Sunday, sung by the fabulous female singers in my volunteer parish choir.

Jeff Ostrowski · April 11, 2022

PDF Download • SATB “Refrain” for Good Friday

Is it “traditional” to receive Holy Communion on Good Friday?

Jeff Ostrowski · April 10, 2022

PDF Download • “Palm Sunday Hymn”

During the procession on Palm Sunday, the 1962 rubrics allow alius cantus in honorem Christi Regis—“a hymn or song in honor of Christ the King.” A simple yet beautiful Gregorian hymn you might consider is Te Sæculorum Principem, which was composed for the feast of Christ the King by Father Vittorio Genovesi (d. 1967). The […]

Jeff Ostrowski · April 7, 2022

“Schizophrenia” • Pius XII Annihilated Tenebræ

I know of no author who has attempted to reconcile, explain, or justify the (obviously contradictory) “schizophrenia flaw.”

Jeff Ostrowski · April 6, 2022

“Victimæ Paschali Laudes” • Nineteen (19) Organ Accompaniments

Including a remarkable musical setting by Father Adrian Fortescue (d. 1923).

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Corpus Christi Watershed

President’s Corner

    Music Director Job • $80,000 per year
    Our readers will be interested in this job offering for Music Director at Saint Adalbert’s Basilica, located 40 minutes from where I live. My pastor was recently elevated to this basilica. He is offering $80,000 per year, plus benefits. I’m told Saint Adalbert’s Basilica is utterly gorgeous and contains one of America’s most magnificent pipe organs. It would be fantastic to have a colleague nearby!
    —Jeff Ostrowski
    Simplest “Agnus Dei” Ever Published
    Our choir is on break during the month of July. I needed a relatively simple “Agnus Dei,” so I composed this setting for organ & voice in honor of Saint René Goupil. It has been called the simplest setting ever composed. I love CARMEN GREGORIANUM (“Gregorian Chant”), especially the ALLELUIAS, INTROITS, and COMMUNION ANTIPHONS. That being said, some have pointed out that certain sections of the Kyriale aren’t as strong as the Graduale or Vesperale. There’s a reason for this—but it would be too complicated to explain at this moment.
    —Jeff Ostrowski
    14th Sunday in Ordinary Time (Year C)
    Our choir is on break during the month of July. However, on the feasts website, the chants have been posted for the 14th Sunday in Ordinary Time (Year C), which is this coming Sunday: 6 July 2025.
    —Jeff Ostrowski

Quick Thoughts

    Pope Pius XII Hymnal?
    Have you ever heard of the Pope Pius XII Hymnal? It’s a real book, published in the United States in 1959. Here’s a sample page so you can verify with your own eyes it existed.
    —Corpus Christi Watershed
    “Hybrid” Chant Notation?
    Over the years, many have tried to ‘simplify’ plainsong notation. The O’Fallon Propers attempted to simplify the notation—but ended up making matters worse. Dr. Karl Weinmann tried to do the same in the time of Pope Saint Pius X by replacing each porrectus. You can examine a specimen from his edition and see whether you agree he complicated matters. In particular, look at what he did with éxsules fílii Hévae.
    —Corpus Christi Watershed
    Antiphons Don’t Match?
    A reader wants to know why the Entrance and Communion antiphons in certain publications deviate from what’s prescribed by the GRADUALE ROMANUM published after Vatican II. Click here to read our answer. The short answer is: the Adalbert Propers were never intended to be sung. They were intended for private Masses only (or Masses without music). The “Graduale Parvum,” published by the John Henry Newman Institute of Liturgical Music in 2023, mostly uses the Adalbert Propers—but sometimes uses the GRADUALE text: e.g. Solemnity of Saints Peter and Paul (29 June).
    —Corpus Christi Watershed

Random Quote

“One must pray to God not only with theologically precise formulas, but also in a beautiful and dignified way. The Christian community must make an examination of conscience so that the beauty of music and song will return increasingly to the liturgy.”

— Pope Saint John Paul II (26 February 2003)

Recent Posts

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  • August 2025 • “Colorado Sacred Music Conference”
  • New “Latin/English Missal” for the Novus Ordo
  • Simplest “Agnus Dei” Ever Published

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