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Corpus Christi Watershed

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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 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 […]

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Jeff Ostrowski · April 30, 2022

A “Dirty” Word (For Musicians)

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

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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.

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Jeff Ostrowski · April 23, 2022

Choir Directors • “Is It Worth The Struggle?”

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

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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.

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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).

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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.”

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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.

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Jeff Ostrowski · April 11, 2022

PDF Download • SATB “Refrain” for Good Friday

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

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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 […]

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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.”

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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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Jeff Ostrowski · April 5, 2022

Free Organ Accompaniment • “Vexilla Regis”

During Passiontide, the hymn at Vespers is the mighty Vexilla Regis Prodeunt of Bishop Venantius Fortunatus. In 2015, I composed an organ accompaniment for this hymn with each verse written out. This comes in pretty handy on occasions when the organist must “lead the hymn from the organ bench.” Please feel free to download my […]

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Jeff Ostrowski · April 2, 2022

“Hymn To Saint Joseph” • (Rec. 4/2/2022)

Certainly the only “Eucharistic” hymn to Saint Joseph I know!

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Jeff Ostrowski · April 1, 2022

Gregorian Chant • “Its True & Authentic Rhythm”

For this coming Sunday (Passion Sunday), there’s only one “MMV” singers must observe—and I placed a little arrow above it.

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Corpus Christi Watershed

President’s Corner

    Music List • “Ascension of the Lord”

    Readers have expressed interest in examining my “music list” for this coming Sunday.

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    —Jeff Ostrowski
    PDF Download • “For Pentecost Sunday”

    There’s a triple ‘allelúja’ and I just love the chord at the end of the 2nd iteration.

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    —Jeff Ostrowski
    PDF Download • “Organ Accompaniment”

    The following declaration will probably smack of “blowing my own horn.”

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    —Jeff Ostrowski

Quick Thoughts

    “Thee” + “Thou” + “Thine”

    Regarding approval for the “Revised Standard Version (Catholic Edition).”

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    —Jeff Ostrowski
    “Reminder” — Month of May (2026)

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

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    —Jeff Ostrowski
    Simplified Version • “Canon in D” (Pachelbel)

    I don’t care what people say; I love this piece!

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    —Jeff Ostrowski

Random Quote

“Obey, then, these prescriptions sincerely and calmly. [viz. clerics must pray their office in Latin.] It is not an excessive love of old ways that prompts them.”

— Pope Saint Paul VI (15 August 1966)

Recent Posts

  • “A New Chapter” • Subscriptions!
  • 7 Suggestions • Singing Gregorian Chant “Correctly”
  • Music List • “Ascension of the Lord”
  • Call For Submissions! • ‘Usus Antiquior’ in Contemporary Catholicism (October 2026)
  • Inspiring Paper from a Graduating High School Senior

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