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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

PDF Download • “Evening Masses and Days of Obligation” (58 pages)

Jeff Ostrowski · November 25, 2017

3819 evening Y RECENT POST about “simultaneous fulfillment” of Mass obligation generated quite a lot of email from readers. We always love getting messages, but some people who wrote chose not to read the article—something normal and expected, but which never fails to make me sad. One email came from Fr. Shawn P. Tunink, who gave permission for us to share this marvelous dissertation:

    * *  PDF • “Evening Masses and Days of Obligation” (58 pages)

It covers a lot of ground, including whether permission for “anticipated” Masses has anything to do with how Jewish people calculated daytime. It also talks about the very first time this permission was granted, out of a concern for (…wait for it…) people on skiing trips!

A brief excerpt from page 40:

Only in the case of a feast of the Lord or a solemnity falling on a Sunday would a feast actually take precedence over the Sunday. In this case there would be only one obligation to attend Mass. However, when a feast day falls on Saturday or Monday, the celebration of Sunday as the Lord’s day retains its proper distinctiveness, including its own proper obligation. Liturgically, there are two separate feasts being celebrated on two separate days, each with its own proper obligation. Even though there is a period of time that would overlap for the fulfilling of either obligation, this would not remove the fact that there are two distinct obligations to attend Mass.

This is definitely a PDF you will want to download and save on your hard drive for a long time.

Opinions by blog authors do not necessarily represent the views of Corpus Christi Watershed.

Filed Under: Articles, PDF Download Tagged With: anticipated Mass, simultaneous Mass obligation, vigil Mass Last Updated: January 1, 2020

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About Jeff Ostrowski

Jeff Ostrowski holds his B.M. in Music Theory from the University of Kansas (2004). He resides with his wife and children in Michigan. —(Read full biography).

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President’s Corner

    “Holy Name Hymn” (2-Voice Arrangement)
    When we post a direct URL link, we frequently get thousands of downloads. But when scrolling is required, very few take the time. I mention this because those who click on this URL link and scroll to the bottom can download—completely free of charge—a clever 2-voice arrangement for a famous hymn to the Most Holy Name of Jesus. In a pinch, it can be nicely sung by one male and one female! It will be of interest to those who seek arrangements for two voices.
    —Jeff Ostrowski
    PDF Download • Introit (3rd Sn. Ord.)
    This coming Sunday, 25 January 2026, is the 3rd Sunday in Ordinary Time (Year A). The ENTRANCE CHANT (“Dóminus secus mare”) is somewhat rare because it comes from the New Testament. The authentic version in Latin—of astounding antiquity—was jettisoned in 1955 but restored in 1970. This rehearsal video has me attempting to sing the melody while simultaneously accompanying myself on the organ. I encourage you to print off the organ accompaniment (PDF) and play through it because it has extremely ‘happy’ harmonies.
    —Jeff Ostrowski
    “Lamb of God” (Musical Setting)
    The MASS OF SAINT ANNE LINE has been quite popular ever since ROMAN MISSAL Third Edition was released circa 2011. You can now download the musical score (PDF) for this setting, placed into five (5) different keys; i.e. “pitch levels” that are high and low. This makes it possible to adjust based upon who’s singing at which time of day.
    —Jeff Ostrowski

Quick Thoughts

    “Reminder” — Month of January (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. Signing up couldn’t be easier: simply scroll to the bottom of any blog article and enter your email address.
    —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
    PDF Download • “In Paradisum” in English
    We always sing the IN PARADISUM in Latin, as printed on this PDF score. I have an appallingly bad memory (meaning I’d be a horrible witness in court). In any event, it’s been brought to my attention that 15 years ago I created this organ accompaniment for the famous and beautiful ‘IN PARADISUM’ Gregorian chant sung in English according to ‘MR3’ (Roman Missal, Third Edition). If anyone desires such a thing, feel free to download and print. Looking back, I wish I’d brought the TENOR and BASS voices into a unison (on B-Natural) for the word “welcome” on the second line.
    —Jeff Ostrowski

Random Quote

“If I could only make the faithful sing the Kyrie, the Gloria, the Credo, the Sanctus, and the Agnus Dei…that would be to me the finest triumph sacred music could have, for it is in really taking part in the liturgy that the faithful will preserve their devotion. I would take the Tantum Ergo, the Te Deum, and the Litanies sung by the people over any piece of polyphony.”

— ‘Giuseppe Cardinal Sarto, Letter to Msgr. Callegari (1897)’

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