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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

Francisco Guerrero Composer

Jeff Ostrowski · June 7, 2021

“Part 2 of 3” • Guerrero Kyrie for Our Lady

This *might* be the most beautiful 45 seconds in music—Father Guerrero’s compositions are truly awe-inspiring!

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Jeff Ostrowski · May 23, 2021

“Part 1 of 3” • Guerrero Kyrie for Our Lady

Now that choirs are beginning to come back…

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Jeff Ostrowski · May 14, 2021

“Easy Polyphonic Agnus Dei” • Part 2 of 3

What is the best way to get your choir singing when they first return? Here are some tips…

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Jeff Ostrowski · August 6, 2020

Allowed or Forbidden? • Parallel Fourths in Renaissance Polyphony

Article Subtitle: “Brave schola director posts live recording from rehearsal.”

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Jeff Ostrowski · April 30, 2020

Can Sacred Music Be Saved? • (How exactly?)

I know of no greater composition than this one—and it was written by a devout Catholic priest.

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Jeff Ostrowski · April 22, 2016

Shocking Parallels By Guerrero

I’ve seen similar passages by Orlando Lassus.

Jeff Ostrowski · April 20, 2016

Benedictus & Hosanna • “Missa Beata Mater”

My friend was in charge of picking music for papal Masses under Pope St. John Paul II.

Jeff Ostrowski · March 12, 2016

PDF Download • Spanish Cathedral Music (1961)

“On Holy Saturday in 1545, while the pope and several cardinals were present, two of the oldest choir members flew at each other during the blessing of the new oils…”

Jeff Ostrowski · March 1, 2016

| Part 1 of 3 | • “Kyrie Eleison” (SATB) within the reach of any choir!

Can Watershed survive? (Part 1)

Jeff Ostrowski · February 23, 2016

Rehearsal Videos • A Resplendent “Agnus Dei” You’ve Never Heard

Can you hear the Canon between Soprano & Tenor?

Jeff Ostrowski · February 3, 2016

Exclusive Interview • Mr. Nancho Alvarez

“I must point out that the content of my site is totally free, granting open access to everyone.” —Nancho Alvarez

Jeff Ostrowski · February 2, 2016

Ridiculously Awesome Sanctus You’ve Never Heard

We are not allowed to sing Tropes in the Extraordinary Form, so I added that text in italics.

Jeff Ostrowski · January 19, 2016

| Part 3 of 3 | • “Kyrie Eleison” (SATB) within the reach of any choir!

Only one word describes Guerrero’s musical genius: fearsome.

Jeff Ostrowski · January 5, 2016

| Part 2 of 3 | • “Kyrie Eleison” (SATB) within the reach of any choir!

By the mighty Francisco Guerrero!

Jeff Ostrowski · December 30, 2015

Which Mass Goes With Which Season?

Unfortunately, many ignore the words of Abbot Pothier, included at the front of the Vatican Edition.

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Corpus Christi Watershed

President’s Corner

    2-Voice Arr. • “Creator of the Starry Height”
    Do you direct a choir consisting of women or children only? (Some call this a “treble” choir.) Download a two-voice arrangement of Creator of the Starry Height set to the tune of IOANNES by clicking here and then scrolling to the bottom. In our times, this hymn is normally used during ADVENT, and the Latin title is: Cónditor alme síderum. It’s important to say “cónditor”—placing the accent on the antepenult—because ‘condítor’ in Latin means “one who embalms the dead.”
    —Jeff Ostrowski
    “Equal Voices” Choir Pieces
    My colleague, CORRINNE MAY, has posted some delightful compositions for equal voices: that is, choirs consisting of all men or all women. Included there are settings of the “Ave Maria” and “Tantum Ergo.” They strike me as relatively simple and not excessively lengthy. (In other words, within reach of volunteer singers.) Even better, all the scores have been made available as instant PDF downloads, completely free of charge. Bravo!
    —Jeff Ostrowski
    Typo in the “Missale Romanum” (1962)
    The 1962 MISSALE ROMANUM was a transitional missal. It was on its way to becoming the 1970 version, but wasn’t there yet. It eliminated certain duplications, downplayed the Prayers at the Foot of the Altar, expanded the role of laymen, minimized the Last Gospel, made many items optional, and so forth. Father Valentine Young spotted many typos in the 1962 MISSALE ROMANUM, especially incorrect accents. The Offertory Antiphon for this coming Sunday (OF kalendar) contains an error, citing the wrong verse from Psalm 118. It should be 118:107b, not 118:154. If you read verse 154, you’ll understand how that error crept in. [In this particular case, the error pre-dates the 1962 Missal, since the 1940s hand-missal by Father Lasance also gets it wrong.]
    —Jeff Ostrowski

Quick Thoughts

    “Our Father” • Musical Setting?
    Looking through a Roman Catholic Hymnal published in 1859 by Father Guido Maria Dreves (d. 1909), I stumbled upon this very beautiful tune (PDF file). I feel it would be absolutely perfect to set the “Our Father” in German to music. Thoughts?
    —Jeff Ostrowski
    New Bulletin Article • “12 October 2025”
    My pastor requested that I write short articles each week for our parish bulletin. Those responsible for preparing similar write-ups may find a bit of inspiration in these brief columns. The latest article (dated 12 October 2025) talks about an ‘irony’ or ‘paradox’ regarding the 1960s switch to a wider use (amplior locus) of vernacular in the liturgy.
    —Jeff Ostrowski
    “American Catholic Hymnal” (1991)
    The American Catholic Hymnal, with IMPRIMATUR granted (25 April 1991) by the Archdiocese of Chicago, is like a compendium of every horrible idea from the 1980s. Imagine being forced to stand all through Communion (even afterwards) when those self-same ‘enlightened’ liturgists moved the SEQUENCE before the Alleluia to make sure congregations wouldn’t have to stand during it. (Even worse, everything about the SEQUENCE—including its name—means it should follow the Alleluia.) And imagine endlessly repeating “Alleluia” during Holy Communion at every single Mass. It was all part of an effort to convince people that Holy Communion was historically a procession (which it wasn’t).
    —Jeff Ostrowski

Random Quote

I basically don’t favor Cardinal Kasper’s proposal; I don’t think it’s coherent. To my mind, “indissoluble” means “unbreakable.”

— Daniel Cardinal DiNardo (19 October 2015)

Recent Posts

  • 2-Voice Arr. • “Creator of the Starry Height”
  • PDF Download • Christmas Piece (SATB) — “Angels We Have Heard on High” with Text in Latin
  • “Equal Voices” Choir Pieces
  • A Practical Method of Projecting Solfege for Chant
  • PDF Downloads • Four (4) Simple Pieces in Harmony for Men’s Choirs

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