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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

Articles

Corpus Christi Watershed · March 21, 2013

Good Friday Passion In Parts – Free PDF Booklet

This beautiful PDF was created by Jim & Claire Ridley.

Corpus Christi Watershed · March 21, 2013

Passion Booklet “in parts” For Palm Sunday (YEAR C)

Jon Laird has kindly created a printable PDF Gospel Booklet for Passion (Palm) Sunday containing the Passion for Year C.

Dr. Peter Kwasniewski · March 21, 2013

On Listening to Good Music

Some people say that today’s popular music is “more emotional” while traditional music is “less emotional.” In reality, emotions evoked in popular music are more crude and monotonous. Emotions elicited by the music of Palestrina, Bach, or Mozart, being more intellectual, are more profound and pure.

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

Andrew R. Motyka · March 20, 2013

Cub Scouts, Abel, and Liturgical Music

The Cub Scout motto and how we should always render our best work to God.

Corpus Christi Watershed · March 19, 2013

1892 Treatise on Gregorian Chant (Lhoumeau)

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

1914 Springer “Psalmi in Notis”

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

1856 Gevaert Method for Accompanying Plainchant

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

1939 Little Grammar of Gregorian Chant (Gogniat)

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

1818 Antiphonale (Bourguignon)

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

1963 The Accompaniment of Plainsong (Fleming)

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

1874 Proprium et Commune Sanctorum (Haberl)

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

1874 Mechlin Graduale

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

1910 Wiltberger Brothers (Common of the Saints)

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

1927 Proprium Sanctorum (Julius Bas)

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

    “Sanctus VIII” • Organ Accompaniment
    A few days ago, I composed this organ harmonization for SANCTUS VIII. This Mass is traditionally called Missa de ángelis or “Mass of the angels.” In French, it is Messe de Anges. You can evaluate my attempt to simultaneously accompany myself on the pipe organ (click here) while singing the melody. My parish is currently singing this setting.
    —Jeff Ostrowski
    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

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

“The Catholic Church holds it better for the sun and moon to drop from heaven, for the earth to fail, and for all the many millions on it to die of starvation in extremest agony, as far as temporal affliction goes, than that one soul, I will not say, should be lost, but should commit one single venial sin, should tell one willful untruth, or should steal one poor farthing without excuse.”

— Saint John Henry Newman (1865)

Recent Posts

  • Pope Paul VI • “Sacrificium Laudis” (15 Aug 1966)
  • “Sanctus VIII” • Organ Accompaniment
  • PDF Download • Sanctus VIII Organ Accompaniment (“Mass of the Angels”)
  • Gorgeous Image of Monks Singing!
  • “Let the Choir Have a Voice” • Jeff Ostrowski’s Essay on Choral Music in the Catholic Mass

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