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Corpus Christi Watershed

We’re a 501(c)3 public charity established in 2006. We have no endowment, no major donors, no savings, and run no advertisements. We exist solely by the generosity of small donors.

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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 · January 2, 2021

PDF Download • “No woman shall kiss her child on the Sabbath or fasting day.”

The “Blue Laws” were a series of fanatical laws enacted by the Puritans of the colony of Connecticut…

Jeff Ostrowski · January 1, 2021

“Homily — Feast of Mary, the Mother of God, Years ABC” • Father Valentine Young, OFM

We seem to be sitting around waiting for “that day” when everything in the world, in our country, and in the Church is going to be perfect…

Jeff Ostrowski · January 1, 2021

31 December 2020 • “COMITES CHRISTI”

The feasts for Saint Stephen Proto-Martyr (26 December), Saint John the Evangelist The Disciple Whom Jesus Loved (27 December), and the Feast of the Holy Innocents (28 December) seem untouched by any liturgical reforms. These are very powerful feasts—I believe they once possessed octaves—and I believe they could sometimes “overpower” a Sunday feast. The rules […]

Jeff Ostrowski · December 27, 2020

“Homily — Feast of the Holy Family, Year B” • Father Valentine Young, OFM

I can speak mainly from my experience with Indians, more specifically the Navajos; their native culture has a great respect and love for marriage and family life.

Jeff Ostrowski · December 23, 2020

PDF Download • “Midnight Mass Musical Plan” (2020)

To show our singers how special our music is, I’ve included ancient MSS for each piece—as well as rehearsal videos.

Jeff Ostrowski · December 23, 2020

23 December 2020 • A 5th? or 4th?

I have noticed that where the Editio Vaticana has a descending perfect fourth for the Gradual of Christmas Midnight Mass, many ancient manuscripts have a descending perfect fifth, which is pretty cool: Example A — Example B. The Vatican Edition is a CENTO, and never made any claim to be anything other than a CENTO. […]

Jeff Ostrowski · December 23, 2020

PDF Download • “Creator Alme Siderum” with Organ Accompaniment

The Brébeuf Hymnal provides ancient (Roman Catholic) English translations of this hymn, but Eleanor Parker found versions in Anglo-Saxon!

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Jeff Ostrowski · December 22, 2020

“Improving As Musicians” • Eight Suggestions

Did you know I communicate with dead Catholic composers? I’m not joking.

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Jeff Ostrowski · December 16, 2020

The First Time We’ve Ever Done This Correctly!

Abbot Pothier included a section called “De Ritibus Servandis In Cantu Missae.”

Jeff Ostrowski · December 15, 2020

“Blessing the Bell” • Most Rev’d Alejandro D. Aclan

When a monk hears the bell, he stops whatever he’s doing and immediately goes to prayer. It is the voice of God calling us to pray, to avoid sin, and to forget the things of this world and think of Him.

Jeff Ostrowski · December 13, 2020

“Rorate Mass” (FSSP) • 12 December 2020

Attendance was standing room only. Afterwards, the children presented roses to Mary—as the entire parish prayed the Rosary—and then we consecrated California to Jesus Christ.

Jeff Ostrowski · December 12, 2020

“Homily — 3rd Sunday of Advent, Year B” • Father Valentine Young, OFM

As the Gloria during Mass suggests, we should “thank Him simply because of His great glory.” When is the last time you did that?

Jeff Ostrowski · December 10, 2020

“Martinelli’s Letter” (dated 18 February 1910)

My recent post on the repercussion has induced some to ask: “Can we just sing whatever rhythm we want for the Vatican Edition? What about mensuralism? What about Bonvin and Vollaerts?” For those of us who work in the Extraordinary Form, we must follow the rhythm of the Editio Vaticana, and this was addressed in […]

Jeff Ostrowski · December 10, 2020

Offertory Compared • “Ave Maria” (4th Sunday of Advent) vs. “Ave Maria” (Immaculate Conception)

Consider the melody found in “Le Graduel Romain,” published in 1800—nine years before Napoleon Bonaparte kidnapped Pope Pius VII

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Jeff Ostrowski · December 9, 2020

9 December 2020 • A Cool Tradition

Before the reforms of the “Code of Rubrics” (1961), antiphons at Vespers were abbreviated in a cool way. For example, look at this antiphon, Ecce Veniet (from Vespers on the 4th Sunday of Advent). But that tradition—as far as I know—ended in 1961, with §191 which said: “The whole antiphon is always said before and […]

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Corpus Christi Watershed

President’s Corner

    Bugnini’s Statement (6 November 1966)
    With each passing day, more is revealed about how the enemies of the liturgy accomplished their goals. For instance, Hannibal Bugnini deeply resented the way Vatican II said Gregorian Chant “must be given first place in liturgical services.” On 6 November 1966, his cadre wrote a letter attempting to justify the elimination of Gregorian Chant with this brazen statement: “What really gives a Mass its tone is not so much the songs as it is the prayers and readings.” Bugnini’s cadre then attacked the very heart of Gregorian Chant (viz. the Proprium Missae), bemoaning how the Proprium Missae “is completely new each Sunday and feast day.” There is much more to be said about this topic. Stay tuned.
    —Jeff Ostrowski
    Luis Martínez Must Go!
    Sevilla Cathedral (entry dated 13 December 1564): The chapter orders Luis Martínez, a cathedral chaplain, to stay away from the choirbook-stand when the rest of the singers gather around it to sing polyphony—the reason being that “he throws the others out of tune.” [Excerpt from “The Life of Father Francisco Guerrero.”]
    —Jeff Ostrowski
    Urgent! • We Desperately Need Funds!
    A few days ago, the president of Corpus Christi Watershed posted this urgent appeal for funds. Please help us make sure we’re never forced to place our content behind a paywall. We feel it’s crucial that 100% of our content remains free to everyone. We’re a tiny 501(c)3 public charity, entirely dependent upon the generosity of small donors. We have no endowment and no major donors. We run no advertisements and have no savings. We beg you to consider donating $4.00 per month. Thank you!
    —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

“Contradictions place us at the foot of the Cross, and the Cross places us at the gates of Heaven.” (Saint John Mary Vianney)

— Cardinal Merry del Val’s Prayer-Book

Recent Posts

  • Bugnini’s Statement (6 November 1966)
  • (Rehearsal Clips) • Sacred Music Symposium 2025
  • Hidden Gem: Ascendit Deus (Dalitz)
  • PDF Download • Soprano Descant — “Hail, Holy Queen Enthroned Above”
  • “Dom Jausions had a skilled hand. His transcriptions are masterpieces of neatness & precision.”

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Corpus Christi Watershed is a 501(c)3 public charity dedicated to exploring and embodying as our calling the relationship of religion, culture, and the arts. This non-profit organization employs the creative media in service of theology, the Church, and Christian culture for the enrichment and enjoyment of the public.

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