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Views from the Choir Loft

Geeky Virtual Pipe Organ Options

Veronica Brandt · October 29, 2020

Earlier I wrote a little about using GrandOrgue to Make a Digital Piano Sound Like an Organ. This involved using my laptop as a virtual pipe organ. On the one hand, this provided a portable way to bring the sound of a pipe organ into the choir loft, which worked. The downside was that it took a while to set up and made it difficult to practise during the week, when I would use my laptop for other things.

Last year I found a smaller, older laptop to use as a virtual pipe organ, which could be left set up all the time at home. This involved using Aeolus, a smaller program which could run on a less powerful computer. Whereas GrandOrgue and Hauptwerk use samples recorded from real organs, Aeolus generates the sounds itself, combining different frequencies.

As the weather has been warming up here in Australia, I noticed the laptop’s fan coming on, which made me concerned that it would struggle with the heat if I left it on over the summer. I turned to the idea of using an even smaller computer—a Raspberry Pi!

It seems possible to run GrandOrgue on the Raspberry Pi and you can find a script to help you. But the Pi’s rather minimal resources would not be able to handle the more interesting sample sets available, so I was open to alternatives.

A company called Organnery, based in France, offers this demonstration of running a virtual pipe organ with Aeolus on a Raspberry Pi:

Organnery offers prebuilt kits or custom installations from qualified technicians, even adapting existing organs to become midified electronic organs.

For those who may be daunted at the prospect of setting up your own computer, Noel Jones has come up with a pre-packaged Choir Organ, a box which plugs into a midi keyboard and your sound system. I haven’t tried it, but it sounds like it uses similar ideas.

One more alternative is Zynthian – a company offering a very powerful multitimbral synthesizer and audio processor which can also run Aeolus. Like Organnery, it also uses a Raspberry Pi.

Lastly, I stumbled across Box of Stops, yet another Electronic Organ based on the humble Raspberry Pi. This one seems to use much more modern registrations, moving further from the classical pipe organ. The project takes the interesting approach to changing stops by utilizing the touch screen on a phone or tablet connected to the same local area network. This raises the interesting idea of a member of the congregation hacking into the system and changing the registration during a service from their phone.

Finally, here is a short tour of my own current setup. I have two USB MIDI keyboards, an amplifier, two large speakers, qwerty keyboard, monitor and mouse and a Raspberry Pi 3. I also have a pedalboard and bench gleaned from an old Lowrey Promenade. I haven’t connected the pedalboard yet, but this product makes it look possible.

 

I still take my laptop to Mass to bypass the Digital Piano in the choir loft. Having this set up at home has helped make it easier for me to practise as well as providing an accessible means for my children to try it out.

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

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Filed Under: Articles Tagged With: Pipe Organ, Raspberry Pi Last Updated: December 27, 2020

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About Veronica Brandt

Veronica Brandt holds a Bachelor Degree in Electrical Engineering. She lives near Sydney, Australia, with her husband and six children.—(Read full biography).

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Corpus Christi Watershed

President’s Corner

    “Booklet of Eucharistic Hymns” (16 pages)
    I was asked to create a booklet for my parish to use during our CORPUS CHRISTI PROCESSION on 22 June 2025. Would you be willing to look over the DRAFT BOOKLET (16 pages) I came up with? I tried to include a variety of hymns: some have a refrain; some are in major, others in minor; some are metered, others are plainsong; some are in Spanish, some are in Latin, but most are in English. Normally, we’d use the Brébeuf Hymnal—but we can’t risk having our congregation carry those heavy books all over the city to various churches.
    —Jeff Ostrowski
    “Yahweh” in church songs?
    My pastor asked me to write a weekly column for our parish bulletin. The one scheduled to run on 22 June 2025 is called “Three Words in a Psalm” and speaks of translating the TETRAGRAMMATON. You can read the article at this column repository. All of them are quite brief because I was asked to keep within a certain word limit.
    —Jeff Ostrowski
    “Music List” • Pentecost Sunday
    Some have expressed interest in perusing the ORDER OF MUSIC I prepared for Pentecost Sunday (8 June 2025). If such a thing interests you, feel free to download it as a PDF file. Because our choir is on break this week, the music is relatively simple.
    —Jeff Ostrowski

Quick Thoughts

    Antiphons Don’t Match?
    A reader wants to know why the Entrance and Communion antiphons in certain publications deviate from what’s prescribed by the GRADUALE ROMANUM published after Vatican II. Click here to read our answer. The short answer is: the Adalbert Propers were never intended to be sung. They were intended for private Masses only (or Masses without music). The “Graduale Parvum,” published by the John Henry Newman Institute of Liturgical Music in 2023, mostly uses the Adalbert Propers—but sometimes uses the GRADUALE text: e.g. Solemnity of Saints Peter and Paul (29 June).
    —Corpus Christi Watershed
    When to Sit, Stand and Kneel like it’s 1962
    There are lots of different guides to postures for Mass, but I couldn’t find one which matched our local Latin Mass, so I made this one: sit-stand-kneel-crop
    —Veronica Brandt
    The Funeral Rites of the Graduale Romanum
    Lately I have been paging through the 1974 Graduale Romanum (see p. 678 ff.) and have been fascinated by the funeral rites found therein, especially the simply-beautiful Psalmody that is appointed for all the different occasions before and after the funeral Mass: at the vigil/wake, at the house of the deceased, processing to the church, at the church, processing to the cemetery, and at the cemetery. Would that this “stational Psalmody” of the Novus Ordo funeral rites saw wider usage! If you or anyone you know have ever used it, please do let me know.
    —Daniel Tucker

Random Quote

“I am of the opinion, to be sure, that the old rite should be granted much more generously to all those who desire it. It’s impossible to see what could be dangerous or unacceptable about that. A community is calling its very being into question when it suddenly declares that what until now was its holiest and highest possession is strictly forbidden and when it makes the longing for it seem downright indecent.”

— Cardinal Ratzinger, 1997

Recent Posts

  • “Booklet of Eucharistic Hymns” (16 pages)
  • PDF Download • “Text by Saint Francis of Assisi” (choral setting w/ organ: Soprano & Alto)
  • “Yahweh” in church songs?
  • “Music List” • Pentecost Sunday
  • “Participation” • Recovering its Receptive Dimension

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