https://www.noteperformer.com/
Apparently, it's a free upgrade. Ahhh... only the NP4 App. Additional Playback Engines are available at extra cost.
NEW!
PLAYBACK ENGINES
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'NotePerformer Playback Engines' hosts third-party VST3 instruments; replacing our built-in sounds with selected samples by leading developers.
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It's our unified solution for high-end notation playback — NotePerformer-compliant dynamics and articulation without the technical effort.
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The application is bundled with NotePerformer 4.
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Click to learn more about our playback engine add-ons and how to get started →
From NotePerformer Playback Engines, you browse our available playback engines and load the sounds you want to use.
You must first activate the playback engine by locating the VST3 plug-in and downloading our playback engine.
You can try all playback engines for free in an unlimited number of 1-hour sessions, with limitations:
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The sounds unload after 1 hour.
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You cannot mix-and-match libraries.
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You can only save, not load templates.
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Audio exporting is muted.
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Stem exporting is disabled.
Playback Engines are add-on purchases for NotePerformer. Current prices range from $69 to $89.
You must purchase the associated sample library separately. The playback engine doesn't include any sounds.
Please ensure the sample library works in the manufacturer's standalone player before using it with NotePerformer.