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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

Andrew Leung · February 12, 2015

Sing Prayerfully

“He who sings prays twice,” but as church musicians, we don’t always feel prayerful and peaceful when we are singing…

Jeff Ostrowski · February 12, 2015

Musical Resources • Quinquagesima Sunday

«GLORIA in EXCELSIS» is not said from Septuagesima Sunday until Easter, except on Holy Thursday, Holy Saturday, & some special feasts.

Guest Author · February 11, 2015

Lenten Acclamations To Genevan Psalm Tunes

“Dom Beauduin realised that the singing of psalms and the reading of the Scriptures in divine worship is the greatest bond between Catholics and Protestants.” —Fr. Mark Woodruff

Jeff Ostrowski · February 10, 2015

The Facts About Annibale Bugnini’s Death

The difference between correlation & causality.

Jeff Ostrowski · February 10, 2015

Teaching Polyphony To Singers Who Can’t Read Music

Your singers can’t read music? No problem!

Dr. Lucas Tappan · February 9, 2015

Institutions Rather Than Events

“It’s a beautiful story, but how does it relate to sacred music?” —Dr. Tappan

Guest Author · February 9, 2015

“No Approval Needed for Substitute Songs” says USCCB • Exclusive Documentation

“After six months and 70+ letters, I received a letter from the chairman of Bishops’ Committee on the Liturgy.” —Dan Craig

Jeff Ostrowski · February 8, 2015

Musical Resources • Sexagesima Sunday

«GLORIA in EXCELSIS» is not said from Septuagesima Sunday until Easter, except on Holy Thursday, Holy Saturday, & some special feasts.

Fr. David Friel · February 8, 2015

Pastoral Difficulties with Recently Ordained Priests

A Response to a Post at “Pray Tell”

Veronica Brandt · February 7, 2015

Motets and Midi practice tracks

The search for practice tracks for Jesu Rex Admirabilis yielded a treasure trove of choir resources.

Richard J. Clark · February 6, 2015

World Day for Consecrated Life and Leadership from the Laity

Priests and musicians need each other and must mutually support each other. Both are immersed in the work of the liturgy, the most important act of evangelization.

Andrew Leung · February 5, 2015

The Greatest Enemy of Sacred Music?

“When Gregorian Chant is being sung, our bodies naturally go into a more peaceful, still, and contemplative mode.” —Andrew Leung

Dr. Lucas Tappan · February 5, 2015

Patience, Patience, Patience

“I have known people who began teaching music in the class room and within a couple of years decided they would rather work for a bank.” —Lucas Tappan

Jeff Ostrowski · February 4, 2015

Exclusive Interview With Dr. William Mahrt

Towards the end I ask the CMAA president a loaded question … and he answers!

Jeff Ostrowski · February 3, 2015

Palestrina “O Crux Ave” • Practice Videos

I’ve been yearning to sing this piece since 2002.

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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

“Both priests and people in this country [viz. ENGLAND] were largely taken by surprise by the recent restoration of the Easter Vigil, by the changes in the laws of fasting for Holy Communion, and the advent of the Evening Mass.”

— Dom Oswald Sumner (1955)

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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