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Corpus Christi Watershed

“A much greater source of anxiety to Us is the style of action of those who maintain that liturgical worship should shed its sacred character, who foolishly say we should substitute for sacred items & furnishings ordinary common things in daily use.” —Pope Saint Paul VI (14 Oct 1968)

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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 · July 4, 2019

Accompanying Gregorian Chant: “Counter-Melody”

Do you hear the little counter-melody added by the organist to several verses?

Jeff Ostrowski · July 3, 2019

(Live Recording) • Hymn by Richard J. Clark

Recordings from Symposium 2019 are beginning to appear!

Jeff Ostrowski · June 19, 2019

Symposium Booklets Have Arrived!

Anyone can write articles saying: “Church music must improve”—but actually getting one’s hands dirty? That’s different…

Jeff Ostrowski · June 12, 2019

PDF Download • Symposium Booklet (159 pages)

…probably unlike any musical booklet you’ve come across!

Jeff Ostrowski · June 11, 2019

Secrets Revealed

…perhaps more slowly than one would prefer, but finally the secret is beginning to leak!

Jeff Ostrowski · June 10, 2019

PDF Download • Vespers Organ Accompaniments

Do you understand why some of the harmonies are blank?

Jeff Ostrowski · June 7, 2019

Where Did “Do-Re-Mi” Come From?

A concise and clear explanation from a 1957 book…

Jeff Ostrowski · June 4, 2019

PDF Download • “Magnificat” + Rehearsal Videos!

“You think I’m kidding, but I’m not. I know of no greater piece than this.” —Jeff Ostrowski

Jeff Ostrowski · May 30, 2019

Learn To Sing SATB • “A New Approach!”

Twelve (12) hymns are already available, with tons more on the way!

Jeff Ostrowski · May 29, 2019

What Makes A “Catholic” Hymnal?

I find the following pairings reprehensible…

Jeff Ostrowski · May 23, 2019

PDF Download • Palestrina “Gloria” w/ practice videos!

Careful: the Alto line is surprisingly difficult!

Jeff Ostrowski · May 17, 2019

PDF Download • Franz Liszt and Gregorian Chant

Many would ask: “What is the purpose of posting such books? Are we supposed to sing from them?” • It turns out, these editions help us understand the journey of Franz Liszt to understand Gregorian modality.

Jeff Ostrowski · May 16, 2019

How Do You Mark Starting Pitches?

Some might ask: “Why not just write the name of the note?”

Jeff Ostrowski · May 8, 2019

1941 Mass (Chicago) mixed with 2017 Mass (FSSP)

I can’t remember if I ever released this “comparison” video…

Jeff Ostrowski · May 6, 2019

“Common” Hymn Melodies • What are they?

Choirmasters and organists understand how crucial flexibility is.

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Corpus Christi Watershed

President’s Corner

    15th Sunday in Ordinary Time (Year C)
    This coming Sunday—13 July 2025—is the 15th Sunday in Ordinary Time (Year C). All the chants have been conveniently assembled and posted at the feasts website. The OFFERTORY, Ad Te Levávi, is particularly beautiful.
    —Jeff Ostrowski
    Music Director Job • $80,000 per year
    Our readers will be interested in this job offering for Music Director at Saint Adalbert’s Basilica, located 40 minutes from where I live. My pastor was recently elevated to this basilica. He is offering $80,000 per year, plus benefits. I’m told Saint Adalbert’s Basilica is utterly gorgeous and contains one of America’s most magnificent pipe organs. It would be fantastic to have a colleague nearby!
    —Jeff Ostrowski
    Simplest “Agnus Dei” Ever Published
    Our choir is on break during the month of July. I needed a relatively simple “Agnus Dei,” so I composed this setting for organ & voice in honor of Saint René Goupil. It has been called the simplest setting ever composed. I love CARMEN GREGORIANUM (“Gregorian Chant”), especially the ALLELUIAS, INTROITS, and COMMUNION ANTIPHONS. That being said, some have pointed out that certain sections of the Kyriale aren’t as strong as the Graduale or Vesperale. There’s a reason for this—but it would be too complicated to explain at this moment.
    —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

Goupil deserves the name of martyr not only because he has been murdered by the enemies of God and His Church while laboring in ardent charity for his neighbor, but most of all because he was killed for being at prayer and notably for making the Sign of the Cross.

— St. Isaac Jogues (after the martyrdom of Saint René Goupil)

Recent Posts

  • “How to Conduct 90 Vespers Services Each Year and Live to Tell the Tale.”
  • 15th Sunday in Ordinary Time (Year C)
  • The Tallis Scholars
  • Music Director Job • $80,000 per year
  • Pope Saint Paul VI to Consilium (14 October 1968)

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