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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

Christopher Mueller • Article Archive

Christopher Mueller is a church musician, conductor, and composer. He aims to write beautiful music out of gratitude to God, the Author of all beauty.—Read full biography (with photographs).

Christopher Mueller · October 23, 2025

Children’s Repertoire • Mueller’s Recommendations

Further thoughts about children’s choirs…

Christopher Mueller · October 28, 2024

*Gasp* — Other Sacred Music Websites!

In a show of “web-ecumenism” I’d like to mention five today.

Christopher Mueller · January 4, 2024

Mueller’s Artistic Credo • “Same But Different”

“Variety within a single Mass is important for engaging the listening ears (and singing voices) of the congregation.” —Chris Mueller

Christopher Mueller · June 17, 2023

Richard J. Clark’s “Salve Regina”

“Thanks, Richard, for another accessible and mellifluous motet!” —Chris Mueller

Christopher Mueller · October 6, 2020

(Installment #10) “Catholic Hymnals” • Chris Mueller

Father Rutler makes five crucial points.

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Christopher Mueller · March 30, 2020

Repeating Repertoire? • Christopher Mueller

I’m sure I’m not the only one to feel this way: certain celebrations don’t feel right without “that piece.”

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Christopher Mueller · July 25, 2017

What really happened at the Convocation of Catholic Leaders

Beautiful liturgical music happened—in a hotel ballroom, no less!

Christopher Mueller · April 12, 2016

World Youth Day with polyphony and chant!

Help us bring polyphony and chant to World Youth Day!

Christopher Mueller · February 29, 2016

The Domestic Church and the domestic schola

The family that sings together prays together.

Christopher Mueller · January 6, 2016

On Catholic Art

It’s time to renovate and reoccupy our own tradition!

Christopher Mueller · October 12, 2015

Rediscovering “Musicam Sacram”

I encountered anew this wonderfully clear and concise document about music in the liturgy.

Christopher Mueller · September 21, 2015

A Striking Approach To Performing Gregorian Chant

A commenter had posted, “Their metrical chant is a revelation!” That piqued my curiosity.

Christopher Mueller · September 7, 2015

Liturgy And Diversity

“His answer was surprising to me, and I thought it both prudential and catholic.” —Chris Mueller

Christopher Mueller · January 3, 2013

Biography • Christopher Mueller

Christopher is a church musician, conductor, and composer…

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Corpus Christi Watershed

President’s Corner

    PDF Download • “Atténde Dómine”
    Although it isn’t nearly as ancient as other hymns in the plainsong repertoire, Atténde Dómine, et miserére, quía peccávimus tíbi (“Look down, O Lord, and have mercy, for we have sinned against Thee”) has become one of the most popular hymns for LENT—perhaps because it was included in the famous Liber Usualis of Solesmes. This musical score (PDF file) has an incredibly accurate version in English, as well as a nice version in Spanish, and also the original Latin. Although I don’t claim to have a great singing voice, this morning I recorded this rehearsal video.
    —Jeff Ostrowski
    Music List • (1st Sunday of Lent)
    Readers have expressed interest in seeing the ORDER OF MUSIC I’ve prepared for this coming Sunday—22 February 2026—the 1st Sunday of Lent (Year A). If such a thing interests you, feel free to download it as a PDF file. As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are available at the outstanding feasts website alongside the official texts in Latin. I spent an enormous amount of time preparing this ORDER OF MUSIC—because the children’s choir will join us—and some of its components came out great. For example, the COMMUNION ANTIPHON with Fauxbourdon is utterly resplendent, yet still ‘Lenten’.
    —Jeff Ostrowski
    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

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

Ambrose and Prudentius took something classical and made it Christian; the revisers and their imitators took something Christian and tried to make it classical. The result may be pedantry, and sometimes perhaps poetry; but it is not piety. “Accessit Latinitas, discessit pietas.”

— Fr. Joseph Connelly (1954)

Recent Posts

  • The Weekday Communions of Lent
  • PDF Download • “Atténde Dómine”
  • “Chant Is Not a Penitential Act” • Lenten Reflection by Daniel Marshall
  • (Ash Wednesday) • Medieval Illumination Depicting the Distribution of Ashes
  • Music List • (1st Sunday of Lent)

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