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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

Square Note App

Fr. David Friel · April 9, 2017

ELL PHONES and other mobile devices these days serve manifold purposes. For some, they double and triple as cameras and internet browsers. For others, they also function as gaming devices, tip calculators, searchable Rolodexes, stereo systems, navigation systems, and portable televisions. But, have you ever used your mobile device as a Graduale Romanum?

Now you can, if you would like.

Recently, I stumbled upon an app called Square Note, which markets itself to church musicians and those who wish to learn more about chant. The app allows users to see a wide array of chants, with their texts and square notation. The chants are grouped in four major sections.

First, the Mass propers for the Ordinary Form encompass the whole temporal cycle and part of the sanctoral. Secondly, Mass propers are also available for the temporal cycle of the Extraordinary Form. Also included is a Kyriale section complete with all eighteen chant Masses and six chant creeds. Finally, the app offers a collection of “Other Chants,” which includes multiple versions of the Marian antiphons, certain Eucharistic chants, and several tones for the Te Deum.

One of the most useful features of the app is its capability of searching the texts of all the chants. Searches can be limited to the titles, or incipits, of the chants, or searches may be opened to include the full text of all the chants. For students of the liturgy, this tool is especially valuable.

Another feature that can be useful is the playback mode offered for each piece. Although this would unsettle purists, I can imagine the playback being useful for beginners. The tone quality of the playback is, of course, choppy and mechanistic, so its overuse ought to be avoided. I’ve known many schola directors who will not use a piano to find pitches or sound out passages, and there is real wisdom in their approach. For some, though, the playback mode offered in Square Note could be the help they need to get off the ground. Square Note even allows the user to adjust the pitch and tempo of the playback tool.

This app is the handiwork of Fr. Matthew Spencer, O.S.J. and Bro. Stephen Spencer, O.S.J., both members of the Holy Spouses Province of the Oblates of St. Joseph in the United States of America. It is a developing product, too, as more chants continue to be added to the collections.

The app is available for $2.99 in the Apple App Store or on Google Play. Click here to explore more fully the riches of this “Rituale in your pocket.”

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

Filed Under: Articles Tagged With: Graduale Romanum Roman Gradual Propers, Gregorian Chant, Propers, Resources for training in Church music Last Updated: January 1, 2020

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About Fr. David Friel

Ordained in 2011, Father Friel is a priest of the Archdiocese of Philadelphia and serves as Director of Liturgy at Saint Charles Borromeo Seminary. —(Read full biography).

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President’s Corner

    PDF • “Music List” (Sunday, 28 December)
    Readers have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for Feast of the Holy Family of Jesus, Mary, & Joseph (28 Dec. 2025). If such a thing interests you, feel free to download it as a PDF file. The FAUXBOURDON verses for the Communion Antiphon are particularly gorgeous. 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 • “Music List” (Xmas Midnight Mass)
    Readers have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for Christmas Midnight Mass (“Ad Missam In Nocte”). If such a thing interests you, feel free to download it as a PDF file. The ENTRANCE CHANT is simple, but quite beautiful. 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 • “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

Quick Thoughts

    What does this mean? “Pre-Urbanite”
    One of the things informed critics have frequently praised vis-à-vis the Saint Jean de Brébeuf Hymnal has to do with its careful treatment of the ancient hymns vs. the “Urbanite” hymns. This topic I had believed to be fairly well understood—but I was wrong. The reason I thought people knew about it is simple; in the EDITIO VATICANA 1908 Graduale Romanum (as well as the 1913 Liber Antiphonarius) both versions are provided, right next to each other. You can see what I mean by examining this PDF file from the Roman Gradual of 1908. Most people still don’t understand that the Urbanite versions were never adopted by any priests or monks who sang the Divine Office each day. Switching would have required a massive amount of effort and money, because all the books would need to be changed.
    —Jeff Ostrowski
    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

Random Quote

When we say: “The people like this” we regard them as unable to develop, as animals rather than human beings, and we simply neglect our duties in helping them towards a true human existence — indeed, in this case, to truly Christian existence.

— Professor László Dobszay (2003)

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