About this blogger:
A theorist, organist, and conductor, Jeff Ostrowski holds his B.M. in Music Theory from the University of Kansas (2004), and did graduate work in Musicology. He serves as choirmaster for the new FSSP parish in Los Angeles, where he resides with his wife and children.
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“You have thereby removed from the celebration of the Mass all superstitions, all greed for lucre, and all irreverence … removed its celebrations from private homes and profane places to holy and consecrated sanctuaries. You have banished from the temple of the Lord the more effeminate singing and musical compositions.”
— Bishop Racozonus, speaking at the last session of the Council of Trent (1563)

Organ Accompaniment • “Christe Supreme”
published 23 August 2015 by Jeff Ostrowski

RECENTLY posted a polyphonic REFRAIN and paired it with a Gregorian hymn. Some choirs will not be able to sing the polyphony right away—or perhaps ever—but can still sing the Gregorian hymn. Here’s an organ accompaniment modulating into a higher key for the final verse:

    * *  ORGANIST “Christe Supreme”

Believe it or not, this Gregorian melody gave us the Solfège names: DO RE MI FA SOL LA. Originally, they called “Do” as “Ut.” I don’t know when or why they decided to change “Ut” into “Do.” If you google “Ut queant laxis,” you can learn more about why this hymn gave us Solfège. The French don’t use Solfège, by the way. They prefer numbers.