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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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Emporium Kevin Allen • Official Site

Emporium Kevin Allen • Official Site

EVIN ALLEN has been highly regarded as a composer of opera, chamber and orchestral music. He has also developed a unique reputation as a composer of church music for the Roman Rite. By popular demand, his works are now being made available in EMPORIUM KEVIN ALLEN. Mr. Allen’s works, sacred and secular, have been performed in churches and concert halls throughout the United States and Europe. He is the founding director of the Collins Consort, the American Composer’s Project, and the Schola Immaculata. Mr. Allen is also the choirmaster of the Monastery of the Holy Cross in Chicago.

🔴 Available on Amazon as of 29 June 2025:
Hymns of John Henry Cardinal Newman: Kevin Allen’s Legendary Choral Settings

+  STOWE MISSAL EUCHARISTIC MOTETS (SAB)
—For Soprano, Alto, and Bass • 28-page book • This is Volume 1 (additional volumes will be released each year) • These pieces employ the ancient communion texts from the 7th-century STOWE MISSAL.

+  MATRI DIVINAE GRATIAE (SAB)
—Simple pieces for Soprano, Alto, and Bass • sample page • 42-page book.

+ MISSA FIDELIS SERVUS
—SATB; A Cappella; Kyrie, Gloria, Credo, Sanctus, Agnus Dei • 25-page book.

+  MISSA NUN KOMM DER HEIDEN HEILAND
—SATB • Kyrie, Gloria, Sanctus & Hosanna, Benedictus & Hosanna, Agnus Dei • sample page • 12-page book.

+  MISSA AD TE LEVAVI
—SSA • Kyrie, Credo, Sanctus & Hosanna, Benedictus & Hosanna, Agnus Dei • sample page • 17-page book.

+  MISSA CHRISTUS REX
—SATB with Organ • Kyrie, Gloria, Sanctus & Hosanna, Benedictus & Hosanna, Agnus Dei • sample page • 24-page book.

+  MISSA PRO DEFUNCTIS QUINQUE VOCUM
—“Mass for the Dead” for SSATB chorus, a cappella • 55-page book • Requiem Mass.

+  MISSA BREVIS
—“Missa Brevis” for SATB chorus, a cappella • 13-page book.

+  MISSA ORBIS FACTOR
—For Treble Chorus, Chant Schola, and Strings Conductor’s Score (Full Score) with String parts (Violin I, Violin II, Viola, Violoncello, Contrabass) • 42-page book.
MMM Note: For “Missa Orbis Factor,” the Schola and Treble Chorus will sing from The Rehearsal Score (which has piano reduction).

+  MISSA REX GENITOR
—Mass for three equal voices • 25-page book • 34 practice videos by Matthew J. Curtis.

+  CANTIONES SACRAE II
—Fifteen SATB motets • 55-page book • includes the famous “Tantum Ergo” which opens Sacred, Beautiful, & Universal • 15 free practice videos by Matthew J. Curtis.

+  MISSA REX SPLENDENS
—Mass for SA chorus, chant schola, & organ • 30-page book • based on Gregorian Chant Mass VII in the Kyriale.

+  “I Sing of a Maiden”
—SATB + ORGAN • 8 pages long.

+  MOTECTA TRIUM VOCUM
—Twelve (12) motets for three equal voices • 64-page book • includes optional Psalms in Latin & English • more than 56 free practice videos by Matthew J. Curtis.

+  Missa de Beata Virgine • SATB Chorus A Cappella
—34 pages; Kyrie, Gloria, Credo, Sanctus, Hosanna, Benedictus, Hosanna, Agnus Dei.

+  CANTIONES SACRAE SIMPLICES (SATB)
—Twelve simple SATB motets • 84-page book • includes optional Psalms in Latin & English • more than 150 free practice videos by Matthew J. Curtis • Foreword by Dr. William Mahrt • Hear a live recording of one of these motets sung at the Vatican by the choir of the Sistine Chapel.

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Corpus Christi Watershed

President’s Corner

    PDF • “Music List” (4th Sunday of Advent)
    Readers have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for 21 December 2025, which is the 4th Sunday of Advent (Year A). If such a thing interests you, feel free to download it as a PDF file. The ENTRANCE CHANT is the famous “Roráte Coeli” and the fauxbourdon setting of the COMMUNION is exquisite. As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are available at the feasts website alongside the official texts in Latin.
    —Jeff Ostrowski
    PDF • Our Lady of Guadalupe (12 Dec.)
    The Responsorial Psalm may be downloaded as a PDF file (organist & vocalist) for 12 December, which is the Feast of Our Lady of Guadalupe. When it comes to the formulary for this Mass, it’s astounding how infrequently it’s included in official books. Prior to Vatican II, one had to search through “supplemental material” printed in the back of hand-missals and graduals. But since 1970, the feast is virtually nonexistent. According to the UNIVERSAL KALENDAR, 12 December is the “Feast of Saint Jane Frances De Chantal, Religious” (Die 12 decembris: S. Ioannæ Franciscæ de Chantal, religiosæ). Why should that feast overpower Our Lady of Guadalupe? In the United States, OLG is celebrated—and I’d assume in Mexico, Central America, South America, and Canada—but, as I said, the Propria Missae are virtually impossible to locate. I possess only three books which mention this feast.
    —Jeff Ostrowski
    Simplified Accompaniment (Advent Hymn)
    Many organists are forced to simultaneously serve as both CANTOR and ACCOMPANIST. In spite of what some claim, this can be difficult. I invite you to download this simplified organ accompaniment (PDF) which in the Father Brébeuf Hymnal is hymn #661: “Come, Thou Long-Expected Jesus” (for ADVENT). I’m toying with the idea of creating a whole bunch of these, to help amateur organists. The last one I uploaded was downloaded more than 2,900 times in a matter of hours—so there appears to be interest.
    —Jeff Ostrowski

Quick Thoughts

    PDF Download • “Santo Santo Santo”
    Those searching for a dignified, brief, simple, bright setting of SANCTUS in Spanish (“Santo Santo Santo”) are invited to download this Setting in honor of Saint John Brébeuf (organist & vocalist). I wonder if there would be any interest in me recording a rehearsal video for this piece.
    —Jeff Ostrowski
    Pope Leo XIV on Sacred Music
    On 5 December 2025, Pope Leo XIV made this declaration with regard to liturgical music.
    —Corpus Christi Watershed
    “Translations Approved for Liturgical Use”
    According to the newsletter for USSCB’s Committee on Divine Worship dated September 1996, there are three (3) translations of the Bible which can be used in the sacred liturgy in the United States. You can read this information with your own eyes. It seems the USCCB and also Rome fully approved the so-called NRSV (“New Revised Standard Version”) on 13 November 1991 and 6 April 1992 but this permission was then withdrawn in 1994.
    —Corpus Christi Watershed

Random Quote

“Place the missal in the hand of the faithful so that they may take part more easily and more fruitfully in the Mass; and that they faithful, united with the priest, may pray together in the very words and sentiments of the Church.”

— Ven. Pope Pius XII

Recent Posts

  • PDF • “Music List” (4th Sunday of Advent)
  • PDF Download • “Santo Santo Santo”
  • Crucial Tips • “Teaching Children How to Sing”
  • Soloists in Gregorian Chant?
  • PDF • Our Lady of Guadalupe (12 Dec.)

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