Gregorian Chant
The Proper and Ordinary of the Mass, the Divine Office, and the great antiphon cycles — recorded in square notation with full Latin texts and English translations.
Browse the chant corpus
Sacred Music · Chant · Liturgy
Voices raised in sacred song, preserved for the modern worshiper.
A curated library of Gregorian chant, sacred polyphony, and liturgical music — recorded, transcribed, and presented with the reverence the tradition deserves.
420+
Chant Recordings
12 centuries
Of Repertoire Covered
60+
Parishes & Scholas Served
100%
Liturgically Faithful
Featured Collections
Three streams of the sacred tradition, in one place.
From the earliest plainchant to contemporary sacred composition — browse our curated collections, each prepared with scholarly care and a worshipper's heart.
Sacred Polyphony
Renaissance motets, Renaissance Masses, and the great a cappella works of Palestrina, Victoria, and Lassus — performed by scholas devoted to the style of the period.
Open the polyphony archiveLiturgical Resources
Propers for every Sunday and Solemnity, ritual chant for weddings, funerals, and ordinations — printed in pew-friendly editions with organ accompaniment cues.
Enter the liturgy libraryScholar's Library
Critical editions, variant melodies, and accompanying essays on rhythm, mode, and theology — the scholarly notes you'd expect from a serious reference work.
Visit the scholar's libraryPew & Cantor Editions
Print-ready pew books and smaller-format cantor booklets, with clear typography, generous spacing, and translations set in parallel columns for the assembly.
View pew editionsAudio & Recordings
Reference recordings from monastic choirs, parish scholas, and chamber ensembles — streamed in lossless quality, with scores that follow the audio in sync.
Listen to the archive
Why Deo Omnism Gloria
Built by musicians who pray what they sing.
We are a small studio of chanters, organists, and editors committed to one thing: helping the Church keep singing the music that formed her.
Scholarly fidelity
Every edition is checked against the earliest available sources, with variant readings footnoted in plain language rather than left to the imagination.
Made for parishes
We design for real scholas and real congregations — modest forces, modest budgets, and Sunday mornings that go exactly as planned.
Translation that sings
Our English texts prioritize the rhythm of the Latin so the assembly can actually sing the translation without losing the melody.
Quiet on the page
Generous leading, clean type, no decorative clutter — scores that are restful to read at the ambo, the organ, or the prayer desk.
From source to sanctuary
How a piece reaches your choir loft.
A simple, careful workflow that has produced every score and recording in our catalog.
01
Identify the need
A parish asks for the Offertory for the Second Sunday of Lent. We match the request to a feasts-and-seasons calendar and a liturgical-rank table.
02
Consult the sources
Our editors work from the Editio Vaticana, the Solesmes editions, and — where relevant — earlier manuscripts and the Liber Usualis.
03
Engrave the score
Typeset in Gregorio and modern notation, with a parallel English text, accent marks, and rehearsal cues set clearly for the cantor.
04
Record a reference
A small schola of two to six voices sings the piece in a resonant room, captured close to the source with minimal processing.
05
Publish to the library
The score, translation, and audio appear together in the catalog — ready to print, ready to project, ready to sing from.
Voices from the pews
What musicians and pastors tell us.
A few notes from schola directors, organists, and parish priests who use our library week by week.
The translations finally sing on the same rhythm as the Latin. My assembly actually joins in on the Communio now — which I never thought I'd say.
Margaret R.Music Director, St. Anne Parish
I have searched for years for chant scores that do not assume a choir of fifteen professionals. These are honest, singable editions for a working parish.
Fr. Thomas K.Parochial Vicar, Diocese of Lincoln
The reference recordings alone are worth the subscription. I learn the mode by listening, then open the score — and the music makes sense the first time through.
Elena L.Cantor & Schola Director
Step into the sanctuary of sound.
Open the catalog, listen to a Compline antiphon, and bring the music of the ages back to the place it was made for.