16th grace notes and 32nd grace notes are the same length

• Aug 11, 2016 - 10:57

Is this working as intended? Create some quarter notes, add a sixteenth grace note to one and a 32nd to another. they will playback exactly the same.

Actually, they'll both playback as eighth notes. When you add two notes, it plays back as a triplet. three notes playback as sixteenths, etc.

That can't be right, can it?

2.0.3 - haven't checked the nightly.


Comments

The notated length of the grace note is never relevant. What is relevant is whether you entr it as an *acciacatura* (with slash through stem) or as an *appoggiatura* (no slash). The former always play back fast, the latter always take half the value of the main note, as per standard convention.

So I'm guesisng you are adding appoggiaturas, which indeed will sound as eighth notes when added to a quarter note.

In reply to by Laurelin

We don't currently provide fine-tuned control over the length of grace notes; we just do our best at a reaosnably standard / usable interpretation. it's an open feature to provide more control, but do keep in mind, the primary purpose of MsueScore is the notation, not the playback, so these requests tend to get prioritized accordingly.

For acciaccaturas, we play on the beat, not before, with a duration that was chosen empirically to sound about right for a variety of different instruments at a variety of different tempi. Yes, in some contexts for some instruments it can be preferable to have them sound before the beat rather than on the beat. If it is important to you to hear this effect, you can disable playback of the real notes and instead add the desired notes for playback manually on an invisible staff.

For appoggiaturas, we take half the duration of the main note and split it equally among all appoggiaturas, so two of them on a quarter note sounds like sixteenth-sixteenth-eighth. Thuis is correct for some situations, not others, to be sure. You can try notating as acciaccaturas instead, but if that's too fast, again, you can disable playback and notate the desired effect manually.

In reply to by Marc Sabatella

If you want to avoid using invisible staves, you can just use an unused voice. Also consider doing tweaks in the pianoroll editor, or making the "actual" time signature of a staff longer than it is and "adding" the grace notes as size-shrunk actual notes, with invisible tied notes to fill the gap for any concurrently-played notes (along with some sort of invisible ornaments to cut the time length of those notes in half as to make them properly fit). After all, Musescore is primarily about notation, so getting fully modifiable playback for things such as this will require a little extra work on your part.

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