Are You A Professional? • (Am I One?)
Including a Eucharistic Hymn (#142) every Catholic should know!
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.”
A theorist, organist, and conductor, Jeff Ostrowski holds his B.M. in Music Theory from the University of Kansas (2004). He completed studies in Education and Musicology at the graduate level. Having worked as a church musician in Los Angeles for ten years, in 2024 he accepted a position as choirmaster for Saint Mary of the Immaculate Conception in Michigan, where he resides with his wife and children. —Read full biography (with photographs).
Including a Eucharistic Hymn (#142) every Catholic should know!
He screamed into the telephone: “There’s no such thing as Gregorian Chant!”

Instead, Saint Francis knelt down and kissed the priest’s hands…
Half a decade has passed since nine (9) colleagues from Corpus Christi Watershed contributed texts, melodies, and harmonizations to a special hymn book in honor of North America’s patron saint, Father John Brébeuf. The website promoting it was massively overdue for a facelift. As of a few minutes ago, I can report that it’s been […]
From a female choirmaster: “Thank you for your recent article, Jeff. We here in _____ absolutely love our Brébeuf hymnals! They have saved my life as a choir director! ☺️ The ease with which my choir members plunge into a new hymn using the ‘common melodies technique’ is so wonderful. You can see the relief on […]

We must remember the lesson of the rock.

Today, I release another movement of the “Saint Noël Chabanel Mass Setting” (for use in the Ordinary Form).

As if the canonic sections were insufficiently stupendous, the composer works in stepwise ascending lines juxtaposed with lines in augmentation.

The hubris on the part of OCP is breathtaking.

Including a scanned copy of a rare “Graduale” (Pustet, 1911) released a few minutes ago—for the first time in history!
Today, we release the congregational “Lamb of God” with SATB polyphonic extension.
Some feel the most irresponsible 1960s reformer was Fr. Godfrey Diekmann. The Second Vatican Council had solemnly declared: “In accordance with the centuries-old tradition of the Latin rite, the Latin language is to be retained by clerics in the divine office.” In spite of this clear directive, Diekmann (3 March 1964) wrote: “What young candidate […]

Bishop Brennan selected the version by Fulton J. Sheen. He began weeping (towards the final station) because of their beauty and poignancy.
Corpus Christi Watershed is a 501(c)3 public charity dedicated to exploring and embodying as our calling the relationship of religion, culture, and the arts. This non-profit organization employs the creative media in service of theology, the Church, and Christian culture for the enrichment and enjoyment of the public.