Every song plays its written parts live in your browser. Pick an ensemble or change any part's instrument while it plays, or compose a new song. All instruments are free libraries and our own synths.
Compose
Checking the rig…
The composer is offline: the rig is off or its compose server is down. Songs already made still play below.
Forking . Its melody and chords stay; fields left on Auto keep its settings.
From the second genre:
Leads leave out open trumpet and saxes. Only ear-approved instruments are listed.
Reference and advanced
Reference links and sheet music are for the site owner; public requests ignore them.
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Presets
Space play/pause · [] previous/next preset · ,. previous/next song · R shuffle. Your presets save in this browser. Copy preset puts the setup on the clipboard to send to Claude.
Parts
Credits
Instruments come from these libraries (sampled for the browser) and from Surge XT's factory patches (GPL-3.0), played through each engine and recorded as notes.