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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

PDF Download

Jeff Ostrowski · January 15, 2015

PDF Download: Standard Catholic Hymnal (1921)

This extremely rare Catholic hymn book is here made available for the first time ever as a PDF download.

Jeff Ostrowski · January 13, 2015

PDF Download: Notre Dame Hymn Tune Book (1905)

“They call me a Papist and they laugh at my creed…”

Jeff Ostrowski · January 12, 2015

PDF Download: Rare Hymnal By Boston’s Archbishop

Can you imagine singing all those vernacular hymns while Mass is happening?

Jeff Ostrowski · December 31, 2014

PDF Download: “Saint Mark’s Hymnal for Use in the Roman Catholic Church in the United States” (1910)

I bet you don’t own this important historical hymn book!

Jeff Ostrowski · December 23, 2014

PDF Download: Rossini “Parochial Hymnal” (1936)

Your Christmas present from Corpus Christi Watershed!

Corpus Christi Watershed · July 29, 2014

Free PDF Download: Complete Gospel Acclamations (172 pages) • Couture & Quentin

Download the entire book for free or purchase the beautiful book (spiral-bound).

Jeff Ostrowski · July 25, 2014

PDF Download: Mocquereau’s 1903 “Liber Usualis”

No longer the only one … but that’s OK.

Jeff Ostrowski · July 17, 2014

PDF Download: “Propers” by A. Edmonds Tozer and “Propers” by Father Theodore Labouré

“The law of the Church plainly declares that, whenever High Mass is celebrated, the Proper of the Mass must be sung or at least recited.” — Fr. Labouré (1922)

Corpus Christi Watershed · July 9, 2014

Free PDF Download: Complete Gospel Acclamations (172 pages) • Le Moyne & Le Jeune

Download the entire book for free or purchase the beautiful book (spiral-bound).

Jeff Ostrowski · June 27, 2014

PDF Download: Complete Proper Of The Mass, With Organ Accompaniment • Kansas (1946)

Two priests from Kansas — Fr. Herman Koch & Fr. Andrew Green — created this remarkable collection in the 1940s.

Jeff Ostrowski · April 25, 2014

Thirteen (13) Organ Accompaniments to “Missa de Angelis” (Mass VIII)

Free PDF downloads for “Mass of the Angels” organ accompaniments • Henri Potiron (1950), Achille Bragers (1937), Dr. Eugene Lapierre (1946), Franz Xaver Mathias (1906), Dr. Peter Wagner (1905), Monsignor Leo P. Manzetti (1906), Julius Bas (1906), and more+

Jeff Ostrowski · April 15, 2014

Free PDF Download: The Fulton J. Sheen Sunday Missal (1961)

Archbishop Sheen did not produce this Missal alone: it was a joint effort by many, especially the Jesuit priests Rev. Philip Caraman and Rev. James Walsh.

Andrew R. Motyka · March 12, 2014

Palm Sunday Passion Booklet – Free Download

Free Passion Booklet for Palm Sunday.

Guest Author · February 7, 2014

On Singing the Passion Gospel for Palm Sunday

This Lent, consider singing the most important Gospel reading of the year. “Free PDF Download Included!”

Jeff Ostrowski · December 13, 2013

“Pius X Hymnal” (1953) by Ted Marier … free online!

Dr. Theodore Marier’s beautiful hymn book, the 1953 PIUS X HYMNAL, is now available online for free!

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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

“After the Second Vatican Council, the impression arose that the pope really could do anything in liturgical matters, especially if he were acting on the mandate of an ecumenical council. Eventually, the idea of the givenness of the liturgy, the fact that one cannot do with it what one will, faded from the public consciousness of the West.”

— Joseph Cardinal Ratzinger

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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