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Corpus Christi Watershed

Jesus said to them: “I have come into this world so that a sentence may fall upon it, that those who are blind should see, and those who see should become blind. If you were blind, you would not be guilty. It is because you protest, ‘We can see clearly,’ that you cannot be rid of your guilt.”

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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 · March 27, 2025

Communion Chant (4th Sunday of Lent)

I have created a rehearsal video for this one.

Jeff Ostrowski · March 26, 2025

“Entrance Chant” • 4th Sunday of Lent

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

Jeff Ostrowski · March 25, 2025

PDF Download • “Musical Booklet” (16 Pages) — Solemnity of the Annunciation: 25 March

A simple Mass for Cantor + Organist.

Jeff Ostrowski · March 22, 2025

“Music List” • 3rd Sunday of Lent

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

Jeff Ostrowski · March 17, 2025

“Entrance Chant” • 3rd Sunday of Lent

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

Jeff Ostrowski · March 17, 2025

“Opportunity of a Lifetime” • Don’t Miss This!

The vast majority of these women had never sung plainsong—but they’ve taken to it like a duck to water.

Jeff Ostrowski · March 17, 2025

“Reminder” — Month of March (2025)

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

Jeff Ostrowski · March 13, 2025

“Music List” • 2nd Sunday of Lent

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

Jeff Ostrowski · March 13, 2025

Can Catholics Fulfill the Sunday Obligation on Saturday Night? • What Happened In 1983?

This concession was granted in part due to “the enormous and ever increasing frequency of weekend trips and skiing excursions…”

Jeff Ostrowski · March 12, 2025

“Entrance Chant” • 2nd Sunday of Lent

This English adaptation uses mode 4, as does the authentic Gregorian Chant version.

Jeff Ostrowski · March 10, 2025

A Spanish Hymn for Lent

This particular hymn is being considered for inclusion in the “Cantoral del Padre Antonio Daniel.”

Jeff Ostrowski · March 9, 2025

Re: Cardinal Roche Interview (6 March 2025)

For a number of reasons, this statement sounds fishy.

Jeff Ostrowski · March 8, 2025

“My Song Is Love Unknown” • Jeff Attempts to Sing All Parts … Including the Female Voices!

Few Catholics seem to realize it was Pope Pius XII who suppressed Tenebrae, a ceremony deeply loved by the faithful for centuries.

Jeff Ostrowski · March 7, 2025

“Music List” • 1st Sunday of Lent

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

Jeff Ostrowski · March 7, 2025

“Kyrie Setting” we’re doing for Lent

Kyrie VIII with polyphony.

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Corpus Christi Watershed

President’s Corner

    “Music List” • 5th Sunday of Easter (Year C)
    Some have expressed interest in perusing the ORDER OF MUSIC I prepared for the 5th Sunday of Easter (18 May 2025). If such a thing interests you, feel free to download it as a PDF file. The Communion Antiphon was ‘restored’ the 1970 Missale Romanum (a.k.a. MISSALE RECENS) from an obscure martyr’s feast. Our choir is on break this Sunday, so the selections are relatively simple in nature.
    —Jeff Ostrowski
    Communion Chant (5th Sunday of Easter)
    This coming Sunday—18 May 2025—is the 5th Sunday of Easter, Year C (MISSALE RECENS). The COMMUNION ANTIPHON “Ego Sum Vitis Vera” assigned by the Church is rather interesting, because it comes from a rare martyr’s feast: viz. Saint Vitalis of Milan. It was never part of the EDITIO VATICANA, which is the still the Church’s official edition. As a result, the musical notation had to be printed in the Ordo Cantus Missae, which appeared in 1970.
    —Jeff Ostrowski
    “Music List” • 4th Sunday of Easter (Year C)
    Some have expressed interest in perusing the ORDER OF MUSIC I prepared for the 4th Sunday of Easter (11 May 2025). If such a thing interests you, feel free to download it as a PDF file. I don’t know a more gorgeous ENTRANCE CHANT than the one given there: Misericórdia Dómini Plena Est Terra.
    —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

“After a discussion lasting several days, in which arguments for and against were discussed, the Council fathers came to the clear conclusion—wholly in agreement with the Council of Trent—that Latin must be retained as the language of cult in the Latin rite, although exceptional cases were possible and even welcome.”

— Alfons Cardinal Stickler, Vatican II ‘peritus’

Recent Posts

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  • “Lindisfarne Gospels” • Created circa 705 A.D.
  • “Music List” • 5th Sunday of Easter (Year C)
  • Communion Chant (5th Sunday of Easter)

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