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Corpus Christi Watershed

Pope Saint Paul VI (3 April 1969): “Although the text of the Roman Gradual—at least that which concerns the singing—has not been changed, the Entrance antiphons and Communions antiphons have been revised for Masses without singing.”

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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 17, 2022

“Tonus Solemnior” • How old is it?

In the 1962 Missal, a section called “præfationes in tono solemniore” contains ornate melodies for the Preface. An article posted on the blog of the Church Music Association of America claims the tone comes from “the late 19th century” and said its elimination “is one of the very few good things which the post-Conciliar reform […]

Jeff Ostrowski · January 17, 2022

“Hymns for Small Choirs” • The Season of Epiphany

Destroying the season of Epiphany was in direct disobedience to Vatican II.

Jeff Ostrowski · January 15, 2022

OCP: “Missa Back-To-The-Future” (Not Kidding)

The musical style is totally secular; similar to what one might hear on the radio.

Jeff Ostrowski · January 14, 2022

Free Videos • “How to say the Extraordinary Form”

This was posted in 2013, but you’ll want to bookmark it.

Jeff Ostrowski · January 12, 2022

PDF Download • “Glory To God” (Three Voices)

Those who direct small choirs are always looking for great repertoire.

Jeff Ostrowski · January 11, 2022

“Soloists Vs. Full Choir” • Which Do You Prefer?

A smaller group sings for the 9:00am Mass; a large chorus sings for the 11:00am Mass.

Jeff Ostrowski · January 11, 2022

Small Choir Repertoire: “Of The Father’s Love Begotten” (Two Voices)

My brother immediately said: “I would never use this; it’s terrible, Jeff.” — And he was correct!

Jeff Ostrowski · January 8, 2022

Re: Glaring Lectionary Omission • “Setting The Record Straight”

They were: (1) Cardinal Palazzini; (2) Cardinal Stickler; (3) Cardinal Mayer; (4) Cardinal Oddi; (5) Cardinal Casaroli; (6) Cardinal Gantin; (7) Cardinal Innocenti; (8) Cardinal Ratzinger; (9) Cardinal Tomko.

Jeff Ostrowski · January 7, 2022

6 January 2022 • Quick!

A short version of the INTROIT for the feast of the Epiphany has been added to the Saint René Goupil Gregorian Chant Website.

Jeff Ostrowski · January 6, 2022

PDF Download • “Feast of the Holy Name” (Vespers Organ Accompaniment)

Only fellow choirmasters know how much work choirmasters do “behind the scenes.”

Jeff Ostrowski · January 4, 2022

PDF Booklet • “Blessing Epiphany Water” (18 Pages)

For the Blessing of Holy Water on Epiphany Eve.

Jeff Ostrowski · January 3, 2022

Confusing Feasts of Christmas

Whether one considers the Missale Vetustum or the post-conciliar calendar—or even the 1908 calendar—the feasts which follow Christmas are very confusing. Last year I created this comparison chart. I hope you find it helpful. As far as I can tell, my chart is the first effort to carefully detail the changes made to post-Christmas feasts […]

Jeff Ostrowski · January 1, 2022

1 January 2022 • Alternate Melodies

In a 14th century manuscript, I found some alternate melodies for the “Dóminus vobíscum” and “Et cum spíritu tuo.” I’m not sure we could ever use these at Mass; most priests have a hard enough time with the Editio Vaticana melodies!

Jeff Ostrowski · December 31, 2021

Latin Mass • Conspicuous Snag in “Clarification”

Archbishop Roche says the ‘true’ parishioners are supposed to make it clear the EF people are lowest on the totem pole.

Jeff Ostrowski · December 21, 2021

“Benedictus” (Missa Iste Sanctus) • All voices recorded by Corrinne May

Vatican II said: “The treasury of sacred music is to be preserved and fostered with great care” (SC §114).

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Corpus Christi Watershed

President’s Corner

    PDF Download • “For Pentecost Sunday”
    Yesterday morning, I recorded myself singing the ENTRANCE CHANT for Pentecost Sunday while simultaneously accompanying myself on the pipe organ. Click here to see how that came out. At the end of the antiphon, there’s a triple Allelúja and I just love the chord at the end of the 2nd iteration. The organ accompaniment—along with the musical score for singers—can be downloaded free of charge at the flourishing feasts website. For the record, the antiphon on Pentecost Sunday doesn’t come from a psalm; it comes from the book of Wisdom.
    —Jeff Ostrowski
    PDF Download • “Organ Accompaniment”
    Over the past few years, I’ve been harmonizing all the vernacular plainsong Introit settings by the CHAUMONOT COMPOSERS GROUP. This coming Sunday—10 May 2026—is the 6th Sunday of Easter (Year A). The following declaration will probably smack of “blowing my own horn.” However, I’d rank this accompaniment as my best yet. In this rehearsal video, I attempt to sing it while simultaneously accompanying myself on the pipe organ. The musical score [for singers] as well as my organ accompaniment can be downloaded free of charge from the flourishing feasts website.
    —Jeff Ostrowski
    “Gregorian Chant Quiz” • 4 May 2026
    A few days ago, the CORPUS CHRISTI WATERSHED Facebook page posted this Gregorian Chant quiz regarding a rubric for the SEQUENCE for the feast of Corpus Christi: “Lauda Sion Salvatórem.” There is no audience more intelligent than ours—yet surprisingly nobody has been able to guess the rubric. Drop me an email with the right answer, and I’ll affirm your brilliance to everyone I encounter!
    —Jeff Ostrowski

Quick Thoughts

    “Thee” + “Thou” + “Thine”
    Few musicians realize that various English translations of Sacred Scripture were granted formal approval by the USCCB and the Vatican for liturgical use in the United States of America. But don’t take my word for it! Here are four documents proving this, which you can examine with your own eyes. Some believe the words “Thine” and “Thou” and “Thee” were forbidden after Vatican II—but that’s incorrect. For example, they’re found in the English translation of the ‘Our Father’ at Mass. Moreover, the Revised Standard Version (Catholic Edition) mentioned in those four documents employs “Thine” and “Thou” and “Thee.” It was published with a FOREWORD by Westminster’s Roman Catholic Archbishop (John Cardinal Heenan).
    —Jeff Ostrowski
    “Reminder” — Month of May (2026)
    On a daily basis, I speak to people who don’t realize we publish a free newsletter (although they’ve followed our blog for years). We have no endowment, no major donors, no savings, and refuse to run annoying ads. As a result, our mailing list is crucial to our survival. It couldn’t be easier to subscribe! Just scroll to the bottom of any blog article and enter your email address.
    —Jeff Ostrowski
    Simplified Version • “Canon in D” (Pachelbel)
    I published an article on 11 November 2023 called Wedding March For The Lazy Organist, which rather offhandedly made reference to a simplified version I created in 2007 for Pachelbel’s Canon. I often use it as a PROCESSIONAL for weddings and quinceañeras. Many organists say they “hate” Pachelbel’s Canon. But I love it. I think it’s bright and beautiful. I created that ‘simplified version’ for musicians coming to grips with playing the pipe organ. It can be downloaded as a free PDF if you visit Andrea Leal’s article dated 15 August 2022: Manuals Only: Organ Interludes Based on Plainsong. Specifically, it is page 84 in that collection—generously offered as a free PDF download. Johann Pachelbel (d. 1706) was a renowned German organist, violinist, teacher, and composer of over 500 works. A friend of Bach’s family, he taught Johann Christoph Bach (Sebastian Bach’s eldest brother) and lived in his house. Those who read Pachelbel’s biography will notice his connection to two German cities adopted as famous hymn tune names: EISENACH and ERFURT.
    —Jeff Ostrowski

Random Quote

These prayers were not peculiar to Good Friday in the early ages (they were said on Spy Wednesday as late as the eighth century); their retention here, it is thought, was inspired by the idea that the Church should pray for all classes of men on the day that Christ died for all. Duchesne is of opinion that the “Oremus” now said in every Mass before the Offertory—which is not a prayer—remains to show where this old series of prayers was once said in all Masses.

— Catholic Encyclopedia (1909)

Recent Posts

  • “Thee” + “Thou” + “Thine”
  • PDF Download • “For Pentecost Sunday”
  • “Reminder” — Month of May (2026)
  • “Englished” Gregorian Chant • 5 Considerations
  • Simplified Version • “Canon in D” (Pachelbel)

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