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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 · May 21, 2025

Is the USCCB trolling us?

Confusing! The 2nd reading & Gospel from the 7th Sunday of Easter may be read on the 6th Sunday of Easter.

Jeff Ostrowski · May 21, 2025

What No Musicologist Can Explain!

How glorious is Gregorian Chant!

Jeff Ostrowski · May 20, 2025

“Common” Responsorial Psalm?

I try never to argue about liturgical legislation…

Jeff Ostrowski · May 19, 2025

A Gentleman (Whom I Don’t Know) Approached Me After Mass Yesterday And Said…

Some may enjoy these eight brief articles on the sacred liturgy.

Jeff Ostrowski · May 15, 2025

“Music List” • 5th Sunday of Easter (Year C)

Readers have expressed interest in examining the “music list” I prepared for this coming Sunday.

Jeff Ostrowski · May 14, 2025

Communion Chant (5th Sunday of Easter)

This particular chant was “rescued” from obscurity in 1969.

Jeff Ostrowski · May 13, 2025

PDF Download • “Entrance Chant” for the Fifth Sunday of Easter

I’m not a bishop. I’m not even a priest. I’m a husband & father who just wants to make it to heaven.

Jeff Ostrowski · May 12, 2025

“Sanctus XVIII” • Peculiar-Yet-Haunting Accompaniment (Sent To Us)

“When the Vatican Edition began coming off the press in 1905, its strongest supporters did not expect it to last until 1960…” —Mons. Schmitt

Jeff Ostrowski · May 10, 2025

“Music List” • 4th Sunday of Easter (Year C)

Readers have expressed interest in examining the “music list” I prepared for this coming Sunday.

Jeff Ostrowski · May 8, 2025

Cardinal Prevost (Pope Leo XIV) “Privately Offered the TLM in His Private Chapel”

Allegedly, the source of this information “had the only indult to say the TLM at the USCCB office in Baltimore back in the 1990s.”

Jeff Ostrowski · May 8, 2025

“Entrance Chant” • 4th Sunday of Easter

This “Entrance Chant” is used during liturgical years A, B, and C.

Jeff Ostrowski · May 6, 2025

Music List • “Repertoire for Weddings”

When couples are getting married, they often request musical guidance.

Jeff Ostrowski · May 6, 2025

Beginning a Men’s Schola

I feel like we have a great start…

Jeff Ostrowski · May 5, 2025

“Basic Catechism of Gregorian Chant” • Fifteen Questions Answered

“Kids, you’re only on this floating rock for a very short time.”

Jeff Ostrowski · May 5, 2025

“Reminder” — Month of May (2025)

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

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Corpus Christi Watershed

President’s Corner

    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
    “Booklet of Eucharistic Hymns” (16 pages)
    I was asked to create a booklet for my parish to use during our CORPUS CHRISTI PROCESSION on 22 June 2025. Would you be willing to look over the DRAFT BOOKLET (16 pages) I came up with? I tried to include a variety of hymns: some have a refrain; some are in major, others in minor; some are metered, others are plainsong; some are in Spanish, some are in Latin, but most are in English. Normally, we’d use the Brébeuf Hymnal—but we can’t risk having our congregation carry those heavy books all over the city to various churches.
    —Jeff Ostrowski
    “Yahweh” in church songs?
    My pastor asked me to write a weekly column for our parish bulletin. The one scheduled to run on 22 June 2025 is called “Three Words in a Psalm” and speaks of translating the TETRAGRAMMATON. You can read the article at this column repository. All of them are quite brief because I was asked to keep within a certain word limit.
    —Jeff Ostrowski

Quick Thoughts

    “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
    When to Sit, Stand and Kneel like it’s 1962
    There are lots of different guides to postures for Mass, but I couldn’t find one which matched our local Latin Mass, so I made this one: sit-stand-kneel-crop
    —Veronica Brandt

Random Quote

“I am of the opinion, to be sure, that the old rite should be granted much more generously to all those who desire it. It’s impossible to see what could be dangerous or unacceptable about that. A community is calling its very being into question when it suddenly declares that what until now was its holiest and highest possession is strictly forbidden and when it makes the longing for it seem downright indecent.”

— Cardinal Ratzinger, 1997

Recent Posts

  • PDF Download • “Gospel Acclamation” for 29 June (Solemnity of Saints Peter and Paul, Apostles)
  • “Hybrid” Chant Notation?
  • Available! • Free Rehearsal Videos for Agnus Dei “Mille Regretz” after Gombert (d. 1560)
  • Urgent! • We Desperately Need Funds!
  • PDF Download • “Polyphonic Extension” (Kevin Allen) for Gloria III

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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.

The election of Pope Leo XIV has been exciting, and we’re filled with hope for our apostolate’s future!

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President’s Message (dated 30 May 2025)

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