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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

Dr. Peter Kwasniewski

A graduate of Thomas Aquinas College (B.A. in Liberal Arts) and The Catholic University of America (M.A. and Ph.D. in Philosophy), Dr. Peter Kwasniewski is currently Professor at Wyoming Catholic College. He is also a published and performed composer, especially of sacred music. Read more.

Dr. Peter Kwasniewski · May 22, 2014

Three Categories of Liturgical Problem

We need to know the different kinds of problems there are, and who in the Church is qualified or required to fix them.

Dr. Peter Kwasniewski · May 15, 2014

Dogma as the Servant of Mystery

Dogmatic statements liberate the Christian intellect by establishing it in the truth.

Dr. Peter Kwasniewski · May 8, 2014

Sacred Choral Works CDs Available

These 3 full-length compact discs feature recordings of nearly every score in the 273-page book.

Dr. Peter Kwasniewski · May 1, 2014

A Triple Cord: Liturgy, Aquinas, and CST

The traditional liturgy, the study of St. Thomas Aquinas, and Catholic social doctrine―these three things stand or fall together.

Dr. Peter Kwasniewski · April 24, 2014

“Soft Source of Calm Tranquillity”: The Quiet Mass

A poem set to music by Handel perfectly captures the feelings one has at a quiet low Mass. Here I try to say why this form of the Mass is so special and valuable.

Dr. Peter Kwasniewski · April 17, 2014

Sheed on the Missal of 1968

Frank Sheed is one of my favorite Catholic authors, but when it came time for him to grapple with the liturgical revolution, either his perspicuity or his nerve failed him.

Dr. Peter Kwasniewski · April 10, 2014

Music Beautiful by Nature

The “beautiful” is largely distinguished by the degree to which the beautiful “thing” is in accord with nature.

Dr. Peter Kwasniewski · April 3, 2014

Why We Need the Greatest Art in Catholic Worship

Was it necessary to change our forms of worship to suit “modern man”? And do we need to set aside our glorious musical heritage? Absolutely not.

Dr. Peter Kwasniewski · March 27, 2014

Why Do We Kneel in Church?

Kneeling is a sign that both signifies and helps produce in the soul the disposition of humility before the great King over all the earth.

Dr. Peter Kwasniewski · March 20, 2014

Catholic Identity Crisis: Who Are We? What Do We Believe? How Should We Live?

Eastern Catholics and Christians have maintained the depth, beauty, and sacredness of their liturgical heritage. How does the institutional failure of Roman Catholics to preserve their own heritage affect their ability to evangelize, or even to live a fully Catholic life?

Dr. Peter Kwasniewski · March 13, 2014

The Eternal, Not the Contemporary

Arvo Pärt speaks words of wisdom about why the music of some composers never gets old and why old texts are always young.

Dr. Peter Kwasniewski · March 6, 2014

Seven Theses for the Evaluation of Music

Let us listen consistently to the greatest works in music and make them the exemplars, the teachers, the inspirations and consolations of our interior life as aesthetic beings.

Dr. Peter Kwasniewski · February 27, 2014

Beethoven’s “Missa Solemnis” and the Five Ways of St. Thomas

An imaginative or imaginary (you decide) correlation between the five movements of the greatest proto-Romantic sacred work and the five greatest proofs for the existence of God.

Dr. Peter Kwasniewski · February 20, 2014

Seeking Inspiration in the Renaissance

Just as those who are passionate about sacred music find great inspiration in the Renaissance, so today we can look around at a new rebirth of Catholic tradition and find hope for a renewal of Catholic culture.

Dr. Peter Kwasniewski · February 13, 2014

Why Focus So Much on the Liturgy?

Sometimes people wonder why traditional Catholics make such a big deal of the liturgy. Do they really think it’s the most important thing in the world? As a matter of fact, they do―because it is.

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Corpus Christi Watershed

President’s Corner

    “What Martin Luther Said…”
    My pastor asked me to write little columns for the bulletin each week. The article for 20 July 2025 has been posted, and it’s called: “What Luther Said…” Martin Luther (an ex-priest and apostate) was an infamous heretic whose ignorance of JESUS CHRIST was only exceeded by his filthy and disgusting vulgarity.
    —Jeff Ostrowski
    “Music List” • 15th in Ordinary Time (Year C)
    Some have expressed interest in perusing the ORDER OF MUSIC I prepared for the 15th Sunday in Ordinary Time (13 July 2025). If such a thing interests you, feel free to download it as a PDF file. As always, the Responsorial Psalm, Gospel Acclamation, and propers for this Sunday are also provided at the the feasts website.
    —Jeff Ostrowski
    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

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

“To me it is a most inspiring reflection that, while empires and kingdoms have tumbled down, while language and custom of every kind have changed beyond recognition, still day by day the humblest Catholic priest in the remotest mission stands at his altar dressed in the garb of old Rome.”

— Father Adrian Fortescue (8 February 1912)

Recent Posts

  • “What Martin Luther Said…”
  • “Music List” • 15th in Ordinary Time (Year C)
  • Worship the Lord in Holy Attire
  • “How to Conduct 90 Vespers Services Each Year and Live to Tell the Tale.”
  • 15th Sunday in Ordinary Time (Year C)

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