Octave issue
In the attached piece, if I select 'Church Organ' for both parts (or just the Alto line), the C5 in bar 29 plays an octave lower as C4 (middle C). Same with the Bb and Ab in the next bar. If I change the voice to Grand Piano, it plays correctly. The Soprano lines plays correctly as Church Organ.
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Comments
I suspect what you are hearing is an aural illusion caused by the prominent harmonics in that sound. I tried with those notes and that sound and it seemed the correct octave to me. But there could be something else going on with your score. We'd need you to attach it, or an excerpt at least, in order to say. Also be sure to tell us which version of MuseScore you are using, and if you are using a soundfont other than the default MuseScore_General (see View / Synthesizer)
In reply to I suspect what you are… by Marc Sabatella
Here's an excerpt. I am using Musescore 3 (3.4.2.9788) standard soundfonts
In reply to Here's an except. I am using… by Credochoral
To me it sounds like I said - an aural illusion caused by the prominent harmonics in the sound. Maybe try listening through different speakers or headphones to see if your perception changes.
In reply to To me it sounds like I said … by Marc Sabatella
I wish you were right. This is piano music and the sound is very obviously in the wrong octave. Playing back note to note with the keyboard, you can hear it.
In reply to I wish you were right. This… by azgilbertdh
Sorry, I thought you were responding to my post with the same issue....
In reply to To me it sounds like I said … by Marc Sabatella
You appear to be correct. When listening to the track through headphones, the C5 is much clearer. As I am making practice tracks for SATB voices, I won't use Church Organ as the prominent track!! I do need to choose something with sustain for longer held notes, hence piano won't work. What would you suggest?
In reply to You appear to be correct… by Credochoral
I typically use woodwinds - flutes, oboes, clarinets, bassoons, etc. Or sometimes strings.
In reply to You appear to be correct… by Credochoral
For practice tracks we've often used "Ocarina" for the other voices and Clarinet / Oboe / Sax Family for the stressed voice.
This is more complex than any of this suggests. The "Old MuseScore Pipe Organ" features what organists call a "plenum" registration, which includes 16' stops, that is, those playing an octave lower than written pitch. It is up to each organist where and when he or she wishes to use such stops. With the "one size fits all" pipe organ, you don't have a choice of registrations; you need something more complex than MuseScore (e.g., a "virtual pipe organ system", or at least an "organ sound font" with "multiple registrations", a poorer solution). Then there is the entire situation of what to do with the organ pedal and its expected 16' pitch and inconsistent notation on MuseScore (with published organ music).
There are also inconsistencies in the "Pipe organ" composition from note to note, most notable near A4, because with that type of registration, real organ sounds can not be interpolated between sampled notes.