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Greetings, readers and passers-by :

My name is Jonathan, and I am a Roman Catholic pianist, organist, composer, singer, and musician.

Some background :

For nine years, I played the organ and directed a men’s chant schola for a Traditional Latin Mass community chaplained by the FSSP, where we also started a children’s chorister program ;

I have done diverse freelance work as a pianist, as well as taught some private lessons ;

At present, I work a non-musical full-time job ;

For the last couple of years I have been in the choir and in the rotation of cantors for liturgy at a Byzantine Catholic Church in the Eparchy of Passaic, where the chant falls within the Ruthenian tradition of Prostopinije ;

For a good while I have had an interest in (electronic) typesetting and engraving, e.g. with TeX, Gregorio, and Finale.

This blog was begun in A.D. 2011 in order that I might have a platform from which to make available various projects or ideas of mine to the general public.

Among these, a continuing project is the promotion of the singing of the Officium Parvum Beatae Mariae Virginis, which has seemed to me a very feasible/accessible form of the Office for the average person or family. To this end, I am currently working (on and off, at long intervals) on compiling and typesetting a practical book for singing this Little Office, which when completed will also include diverse appendices, as well as certain explanatory materials.

My other blog Dominus regnavit was begun with Advent of A.D. 2016, and is dedicated to posting daily recordings of Lauds from the traditional Divine Office in its Roman secular form, according to the order of the Roman Breviary of 1962.

A new feature for spring 2019 will be the posting of some of the Byzantine chant resources which I have been working on recently.

Vale in Domino !


[Profile last updated: 04/06/2019]

  1. Hello Mr Jonathan K,
    I saw your comment on the CMAA forum about the trope “Sanctissimus namque Gregorius” and I found your blog. By the way: thanks for rewritting this piece of music.
    I also read your comment about the tract “Qui habitat”, one of my favourites. 🙂 I like the way you coloured the various patterns, it is interesting and it must help. So I added a link to your analyze on my page about propers, where you can also read my own analyzis:
    You’re lucky to have sung the whole piece. I wanted it to sing whole too but it was agreed it would be too long. So we only did the first and last verse in Gregorian melody and the rest in psalm tone. I am not sure there are many people in the world who sing it whole, if by any chance they sing Gregorian chant.

    Anyway I encourage you to continue in Gregorian chant.
    God bless.
    Jacques Perrière

    P.S.: I am NOT on Facebook. 🙂

  2. sonflower permalink

    Hi Jonathan,
    My family and I have really enjoyed Saint Felix and the Spider. I was surprised to find out it was self-published. Would you mind sharing the company your family used?
    God Bless and Merry Christmas!
    Sandra Clark

  3. I wanted to add a brief note thanking you for your efforts. I plan to introduce my students to your Rosary Antiphon packet–possibly with prolix responsories for the intro to the set of mysteries. Also, continue the work on the Little Office–very interesting! Let me know if you need help setting GABC scores for any projects. I’m not as fast as you, I would guess, but I have time I can devote. bgeorge77 at ye olde g-mail dot com.

  4. Fr. Paul-Isaac Franks permalink

    Dear Jonathan,

    hanks for all your work. Is your typeset PDF for Veni Veni Emmanuel in the public domain? May I reproduce it for non-profit purposes?


  5. In general, printouts that I have posted online are meant for people to use reasonably as printouts, and I suppose this would always be non-profit.

    For folks wanting to do something more formal, large-scale, or publication-like, I would appreciate being asked about it.

  6. Ezechiel permalink

    Hi Jonathan, what a great work you’re doing with this blog. I wanted to download your mp3-files for the LOBVM, but they seem to be faulty. Would you mind checking the validity of the links on kiwi?
    Thank you very much

  7. All the mp3’s that I have up are stored here:
    Everything there should be current and downloadable; does that have what you need?
    Otherwise, what posts on the blog were you finding had links that did not work?

    • Ezechiel permalink

      Hi and thanks for getting back at me. It actually has all I need, but somehow either the server or my mac has issues opening the redirected site for the download. So I assume the download worked with you?

  8. Yes. That’s the main page, then when you click on one of the files, each one has its own page. And where it says “Download mp3”, when I click I can then download the mp3.

    I do have trouble uploading where Firefox doesn’t work, but Internet Explorer does.

    • Ezechiel permalink

      Hi Jonathan. Yes, you’re right. It worked also with other people I asked. Unfortunately not with mine but that’s ok. Btw: Do you have any recordings of the Lauds and Vespers from Office 1?

  9. Lauds is here, without alleluia for post-Septuagesima:

    However, I never did any of Vespers.

    • Ezechiel Theler permalink

      Hi Jonathan,

      Thank you for your resources and keep up the good work.

      Godspeed, Ezechiel


  10. Nik permalink

    Have you done a .pdf booklet for Laudes for the Little office of the BVM? If so, where can I find it?

  11. Send me an e-mail at, and I can send you my working file for your personal use and non-distribution.

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