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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

Father Friel • Article Archive

Ordained in 2011, Father Friel served as Parochial Vicar at Saint Anselm Church in Northeast Philly before earning a doctorate in liturgical theology at The Catholic University of America. He presently serves as Vocation Director for the Archdiocese of Philadelphia.—(Read full biography).

Fr. David Friel · April 8, 2018

The Turns at Benediction

To the Right or to the Left?

Fr. David Friel · April 3, 2018

Ratzinger’s 1987 Letter to a Former Catechism Student

The Pope Emeritus presents church music as something central to life.

Fr. David Friel · April 1, 2018

Summer Chant Courses—Dunwoodie

Two course offerings from the St. Cecilia Academy for Pastoral Musicians

Fr. David Friel · March 25, 2018

Liturgy outside Liturgy

A New Study of the Liturgical Theology of Alexander Schmemann

Fr. David Friel · March 18, 2018

The Preface of the Holy Cross

An eloquent liturgical text worthy of prayerful reflection

Fr. David Friel · March 11, 2018

A Literal Translation of the New Testament

David Bentley Hart’s experiment in recovering the conceptual vocabulary of a distant

Fr. David Friel · March 4, 2018

New Memorial of the Blessed Virgin Mary, Mother of the Church

Invoking Mater Ecclesiae in a new annual feast

Fr. David Friel · February 18, 2018

St. Thomas More on the Reception of Holy Communion

“Let us not lose this time…for we can hardly tell whether we will ever get in to church again or not.” —St. Thomas More

Fr. David Friel · February 10, 2018

1940’s Prayer for Priests

“Fit me, I pray Thee, for this task…”

Fr. David Friel · February 3, 2018

“Transfigured” Young Adult Liturgy Conference

A summer conference at The Liturgical Institute in Mundelein, IL

Fr. David Friel · January 31, 2018

Sacra Liturgia 2019 in Toronto

Dates for the next Sacra Liturgia conference have just been announced.

Fr. David Friel · January 28, 2018

The Hillbilly Thomists

A New Dominican CD

Fr. David Friel · January 21, 2018

Dedication of the Cathedral Basilica of Mary, Queen of the World

Three new choral works featured during this celebration on 13 October 2017.

Fr. David Friel · January 14, 2018

Should Liturgy Be Practical?

A Thought from G.K. Chesterton

Fr. David Friel · January 7, 2018

Mutuality vs. Male Headship within Marriage

Liturgical Evidence from Marriage Rituals throughout History

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Corpus Christi Watershed

President’s Corner

    PDF Download • “Ubi Caritas” (SATB)
    I remember singing “Ubi Cáritas” by Maurice Duruflé at the conservatory. I was deeply moved by it. However, some feel Duruflé’s version isn’t suitable for small choirs since it’s written for 6 voices and the bass tessitura is quite low. That’s why I was absolutely thrilled to discover this “Ubi cáritas” (SATB) for smaller choirs by Énemond Moreau, who studied with OSCAR DEPUYDT (d. 1925), an orphan who became a towering figure of Catholic music. Depuydt’s students include: Flor Peeters (d. 1986); Monsignor Jules Van Nuffel (d. 1953); Arthur Meulemans (d. 1966); Monsignor Jules Vyverman (d. 1989); and Gustaaf Nees (d. 1965). Rehearsal videos for each individual voice await you at #19705. When I came across the astonishing English translation for “Ubi Cáritas” by Monsignor Ronald Knox—matching the Latin’s meter—I decided to add those lyrics as an option (for churches which have banned Latin). My wife and I made this recording to give you some idea how it sounds.
    —Jeff Ostrowski
    PDF • “Cantus Mariales” (192 pages)
    Andrea Leal has posted an absolutely pristine scan of CANTUS MARIALES (192 pages) which can be downloaded as a PDF file. To access this treasure, navigate to the frabjous article Andrea posted Monday. The file is being offered completely free of charge. The beginning pages of the book have something not to be missed: viz. a letter from Pope Saint Pius X to Dom Pothier, in which the pope calls Abbat Pothier “a man versed above all others in the science of liturgy, and to whom the cause of Gregorian chant is greatly indebted.”
    —Jeff Ostrowski
    Music List • (2nd Sunday of Lent)
    Readers have expressed interest in seeing the ORDER OF MUSIC I created for this coming Sunday, which is the 2nd Sunday of Lent (1 March 2026). If such a thing interests you, feel free to download it as a PDF file. This feast has magnificent propers. Its somber INTROIT is particularly striking—using a haunting tonality—but the COMMUNION with its fauxbourdon verses is also quite remarkable. I encourage all the readers to visit the feasts website, where the Propria Missae may be downloaded completely free of charge.
    —Jeff Ostrowski

Quick Thoughts

    Extreme Unction
    Those who search Google for “CCCC MS 079” will discover high resolution images of a medieval Pontificale (“Cambridge, Corpus Christi College, MS 079”). One of the pages contains this absolutely gorgeous depiction of the Sacrament of Extreme Unction.
    —Corpus Christi Watershed
    PDF Chart • “Plainsong Rhythm”
    I will go to my grave without understanding the lack of curiosity so many people have about the rhythmic modifications made by Dom André Mocquereau. For example, how can someone examine this single sheet comparison chart and at a minimum not be curious about the differences? Dom Mocquereau basically creates a LONG-SHORT LONG-SHORT rhythmic pattern—in spite of enormous and overwhelming manuscript evidence to the contrary. That’s why some scholars referred to his method as “Neo-Mensuralist” or “Neo-Mensuralism.”
    —Jeff Ostrowski
    PDF • “O Come All Ye Faithful” (Simplified)
    I admire the harmonization of “Adeste Fideles” by David Willcocks (d. 2015), who served as director of the Royal College of Music (London, England). In 2025, I was challenged to create a simplified arrangement for organists incapable of playing the authentic version at tempo. The result was this simplified keyboard arrangement (PDF download) based on the David Willcocks version of “O Come All Ye Faithful.” Feel free to play through it and let me know what you think.
    —Jeff Ostrowski

Random Quote

“Urban VIII appointed four Jesuits to reform the hymns, so that they should no longer offend Renaissance ears. These four, in that faithful obedience to the Holy See which is the glory of their Society, with a patient care that one cannot help admiring, set to work to destroy every hymn in the office.”

— Fr. Adrian Fortescue (1916)

Recent Posts

  • PDF Download • “Ubi Caritas” (SATB)
  • PDF • “Cantus Mariales” (192 pages)
  • PDF Download • Fourteen (14) Versions of the Splendid Hymn: “Salve Mater Misericordiae”
  • Fulton J. Sheen • “24-Hour Catechism”
  • Music List • (2nd Sunday of Lent)

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