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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

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Corpus Christi Watershed · November 6, 2013

Jesuit Martyrs of North America by John A. O’Brien

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

Richard J. Clark · July 5, 2013

Ascent to Freedom

True freedom does not rise from the capacity to fulfill all desires. Freedom is captivity, followed by battle, followed by faith, followed by wisdom and compassion as seen through the eyes of love. Of this struggle, true liberation is born.

Corpus Christi Watershed · June 28, 2013

Henri Potiron Organist Vesperale (PDF Download)

Henri Potiron’s 1935 organ accompaniments for Vespers (270 pages) for free download!

Jeff Ostrowski · June 3, 2013

Free Musical Scores For Catholic Weddings

Nuptial Mass Responsorial Psalms, Gospel Acclamations, Introits, Offertories, simple organ interludes, training videos, PDF scores, and more . . . all for free!

Guest Author · May 13, 2013

New Collection Of Ancient Books About The Mass . . . Free!

Incarnation Catholic Church in Tampa, has begun an initiative to build an E-Library dedicated to building a library of out-of-print books about the Traditional Latin Mass.

Richard J. Clark · May 10, 2013

English Setting of Pentecost Sequence | Free Download

VENI, SANCTE SPIRITUS, the Sequence for Pentecost Sunday is one of the great jewels of the Roman Rite. The text alone is a treasure—short, simple, profound, and transcendent.

Jeff Ostrowski · April 23, 2013

Introducing the Lalemant Propers (391 Pages) — Free Download !

The Lalemant Propers are extremely simple settings (in English) of the Mass Propers which make it possible for any person to sing these sacred prayers . . . even people who have no musical training whatsoever.

Corpus Christi Watershed · March 21, 2013

Good Friday Passion In Parts – Free PDF Booklet

This beautiful PDF was created by Jim & Claire Ridley.

Richard J. Clark · March 20, 2013

Free Communion Propers for the Easter Season, Year C

Free download of Communion Propers for the Easter Season, Year C

Corpus Christi Watershed · March 19, 2013

1920 Solesmes Liber Usualis (Fragment)

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

Corpus Christi Watershed · March 19, 2013

1924 Boulfard Treatise on Gregorian Accompaniment

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

Corpus Christi Watershed · March 19, 2013

1854 Musica Divina by Carl Proske

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

Corpus Christi Watershed · March 19, 2013

Free Download • “Liber Usualis” PDF Online (Solesmes, 1961)

Free PDF download of the complete “Liber Usualis with Introduction and Rubrics in English—with IMPRIMATUR dated 7 February 1961—edited by the Benedictine Monks of Solesmes+

Corpus Christi Watershed · March 19, 2013

1886 Du Chant Grégorien (Lemmens)

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

Corpus Christi Watershed · March 19, 2013

1949 History of Catholic Church Music (Fellerer)

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

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Corpus Christi Watershed

President’s Corner

    Music List • (5th Sund. Ordinary Time)
    Readers have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for this coming Sunday, 8 February 2026, which is the 5th Sunday in Ordinary Time (Year A). If such a thing interests you, feel free to download it as a PDF file. You will probably notice it isn’t as ‘complete’ or ‘spiffy’ as usual, owing to some difficulties which took place this week.
    —Jeff Ostrowski
    PDF • “Communion” (5th Sunday in Ordin.)
    The COMMUNION ANTIPHON for this coming Sunday, 8 February 2026—which is the 5th Sunday in Ordinary Time (Year A)—is truly delightful. You can download the musical score completely free of charge. This text will be familiar to altar boys, because it’s PSALM 42. The Feder Missal makes the following claim about that psalm: “A hymn of a temple musician from Jerusalem: he is an exile in a heathen land, and he longs for the holy city and his ministry in the Temple there. The Church makes his words her own.”
    —Jeff Ostrowski
    Funeral Music “Template” • For Families
    Many have requested the MUSICAL TEMPLATE for funerals we give to families at our parish. The family of the deceased is usually involved in selecting Number 12 on that sheet. This template was difficult to assemble, because the “Ordo Exsequiarum” has never been translated into English, and the assigned chants and hymns are given in different liturgical books (Lectionary, Gradual, Order of Christian Funerals, and so on). Please notify me if you spot errors or broken links. Readers will be particularly interested in some of the plainsong musical settings, which are truly haunting in their beauty.
    —Jeff Ostrowski

Quick Thoughts

    “Reminder” — Month of Febr. (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
    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

“From six in the evening, his martyrdom had continued through the ghastly night until nine o’clock in the morning. After fifteen hours of torture rarely if ever surpassed in the bloody annals of the Iroquois, the soul of Gabriel Lalemant was freed from its charred and mutilated prison and summoned to join his comrade Jean de Brébeuf in the radiant splendor of God. March 17th, 1649, was the date; for Brébeuf it had been the sixteenth.”

— ‘Fr. John A. O’Brien, speaking of St. Gabriel Lalemant’

Recent Posts

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  • Music List • (5th Sund. Ordinary Time)
  • Fulton J. Sheen • “24-Hour Catechism”
  • PDF • “Communion” (5th Sunday in Ordin.)

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