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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 · September 20, 2017

16th Sunday after Pentecost (4th in September)

“Let Thy grace, we beseech Thee, O Lord, ever go before us…”

Jeff Ostrowski · September 19, 2017

PDF Download • “Lauda Sion” Hymnal (1886)

Hymns to the Blessed Virgin, Hymns for Benediction, Offertories, etc.

Jeff Ostrowski · September 15, 2017

“O Sanctissima” • SATB Contemporary Setting!

I bet you haven’t heard this arrangement!

Jeff Ostrowski · September 14, 2017

15th Sunday after Pentecost (3rd in September)

…and they glorified God, saying, “A great prophet is risen up amongst us and God hath visited His people.”

Jeff Ostrowski · September 13, 2017

Does Watershed Make A Difference?

“A huge success! My pastor was blown away at the beauty of the Mass setting by Guerrero. The people in attendance were just floored…”

Jeff Ostrowski · September 7, 2017

14th Sunday after Pentecost (2nd in September)

“Grant us, we beseech Thee, O Lord, that this saving Victim may become both the cleansing of our sins, and the propitiation of Thy might.”

Jeff Ostrowski · August 31, 2017

13th Sunday after Pentecost (1st in September)

“Having received Thy heavenly sacraments, O Lord, we beseech Thee that we may profit unto the increase of everlasting salvation…”

Jeff Ostrowski · August 30, 2017

Thoughts That Enter A Choirmaster’s Mind

A word about depression and discouragement.

Jeff Ostrowski · August 25, 2017

Very Great Mischiefs Which Arise From The Use Of Polyphony By Religious Orders (1610)

Fourth: musicians who beguile their way into religious orders are for the most part silly, idle, vacillating, vain, effeminate, and even vicious individuals.

Jeff Ostrowski · August 24, 2017

Musical Resources • 12th Sunday after Pentecost

“…and it chanced that a certain priest went down the same way, and seeing him, passed by.”

Jeff Ostrowski · August 22, 2017

Volunteer Choirs • Rehearsal “Tricks”

Only two people in the whole school are forced to publicly demonstrate their work: the choirmaster and the coach.

Jeff Ostrowski · August 18, 2017

Musical Resources • 11th Sunday after Pentecost 1

“After that He was seen by James, then by all the apostles.”

Jeff Ostrowski · August 18, 2017

PDF Download • “O Esca Viatorum”

I am deeply saddened that some people still don’t know where these items are located.

Jeff Ostrowski · August 14, 2017

Ordo Missæ from “People’s Mass Book” (1964)

Two words come to mind: inexplicable and bizarre.

Jeff Ostrowski · August 10, 2017

Musical Resources • 10th Sunday after Pentecost 1

“At that time, Jesus spoke this parable to some who trusted in themselves as just, and despised others…”

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Corpus Christi Watershed

President’s Corner

    “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
    “Music List” • Pentecost Sunday
    Some have expressed interest in perusing the ORDER OF MUSIC I prepared for Pentecost Sunday (8 June 2025). If such a thing interests you, feel free to download it as a PDF file. Because our choir is on break this week, the music is relatively simple.
    —Jeff Ostrowski
    “Truly Great Processional” • (Pipe Organ)
    I stumbled upon this live recording of a PROCESSIONAL I played on the pipe organ in 2002. It’s an excerpt from a much longer composition by Sebastian Bach. In those days, there weren’t sophisticated recording devices allowing one “fix” wrong notes. (Perhaps they existed, but we didn’t have machines like that.) So it was necessary to play the entire piece from beginning to end. If you’re a church organist, feel free to download the PDF score. I suppose it’s only a matter of time until some joker uses “artificial intelligence” to play music at church … but there’s something so satisfying about playing an organ in real life.
    —Jeff Ostrowski

Quick Thoughts

    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
    The Funeral Rites of the Graduale Romanum
    Lately I have been paging through the 1974 Graduale Romanum (see p. 678 ff.) and have been fascinated by the funeral rites found therein, especially the simply-beautiful Psalmody that is appointed for all the different occasions before and after the funeral Mass: at the vigil/wake, at the house of the deceased, processing to the church, at the church, processing to the cemetery, and at the cemetery. Would that this “stational Psalmody” of the Novus Ordo funeral rites saw wider usage! If you or anyone you know have ever used it, please do let me know.
    —Daniel Tucker

Random Quote

The Latin language, “far from being held in little regard, is certainly worthy of being vigorously defended.”

— Pope Saint Paul VI (15 August 1966)

Recent Posts

  • “Yahweh” in church songs?
  • “Music List” • Pentecost Sunday
  • “Participation” • Recovering its Receptive Dimension
  • “Breathtaking Photographs” • First Mass of Father Michael Caughey, FSSP (Muskegon, MI)
  • “Truly Great Processional” • (Pipe Organ)

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