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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

Latin Mass

Fr. David Friel · November 23, 2015

An Extraordinary Event: NCYC 2015

Traditional Mass offered at National Catholic Youth Conference

Fr. David Friel · August 3, 2015

Assumption Mass 1

A Solemn High Mass in the Extraordinary Form next Friday evening in Philadelphia.

Veronica Brandt · June 27, 2015

Rebuild my Church

The Maternal Heart of Mary Church is a collegiate style church in Sydney, Australia and home to the only FSSP parish in the country.

Veronica Brandt · May 2, 2015

Taking the easy way out, relatively speaking

Starting a collection of easier propers for the Extraordinary Form. A pair of Alleluias and two Offertory antiphons to start the ball rolling.

Corpus Christi Watershed · November 21, 2014

“Ordo Missae” • In Latin & English (1957)

Including the rubrics for Sung Masses and a special English translation.

Fr. David Friel · August 13, 2014

Assumption Mass

Msgr. Andrew Wadsworth will celebrate a Solemn High Mass in the Extraordinary Form this Friday evening in Philadelphia.

Fr. David Friel · June 1, 2014

Liturgy & Clericalism

Love of liturgy—and, specifically, employment of its traditional forms—is not clericalism.

Jeff Ostrowski · January 28, 2014

Benedict Brought Peace To The Church With “Summorum Pontificum”

“If the right is given to African tribes to include their pagan traditions in the liturgy, I think the same should also be given to the rite of a thousand year-old Christian Church, based on a much older Roman tradition.” — László Dobszay

Gwyneth Holston · November 25, 2013

Hans Memling’s Masterpiece: The Last Judgment

Christmas is coming! For Catholics, that means its time to think about the Apocalypse.

Corpus Christi Watershed · November 24, 2013

Traditional Latin Hymnal “Facts Sheet”

Folks have been requesting a “breakdown” of the St. Edmund Campion Hymnal … so here it is!

Jeff Ostrowski · October 28, 2013

What Do We Think Of Cell Phones At Mass?

I have noticed a certain tendency at EF Masses which causes me concern. Please allow me to “think out loud” and let me know your thoughts, as well.

Jeff Ostrowski · October 21, 2013

Alfons Cardinal Stickler, Peritus during Vatican II

When a certain bishop stood up at Vatican II and expressed concern that “the entire Mass might be held in the language of the people,” the entire hall burst into uproarious laughter.

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Corpus Christi Watershed

President’s Corner

    2-Voice Arrangement for Lent
    Those seeking a two-voice arrangement for LENT and PASSIONTIDE should click here and scroll down. It’s based on number 775 in the Brébeuf Hymnal, with an enchanting melody written by Kevin Allen (the legendary American composer of sacred music). That text—“Pendens In Crucis Cornibus”—is often used for the Feast of our Lady of Sorrows. That link is important because, in addition to the musical score, it provides free rehearsal videos for each individual voice: something volunteer choirs appreciate!
    —Jeff Ostrowski
    “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

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

“These liturgists protest that the choir must be encouraged, but in the same breath we are told its purpose is to lead the congregation in the singing of hymns and other unison music. These directions from non-musicians who have never created a musical sound—let alone direct a choir—are the cause of consternation among practicing musicians, both instrumentalists and singers.”

— Monsignor Richard J. Schuler (30 November 1967)

Recent Posts

  • Fulton J. Sheen • “24-Hour Catechism”
  • 2-Voice Arrangement for Lent
  • Pope Paul VI • “Sacrificium Laudis” (15 Aug 1966)
  • “Sanctus VIII” • Organ Accompaniment
  • PDF Download • Sanctus VIII Organ Accompaniment (“Mass of the Angels”)

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