API#
- (actions channel-send-action)
 - (actions port-connection-action)
 - (actions tracklist-selections-action)
 - (actions undo-manager)
 - (audio channel)
 - (audio midi-note)
 - (audio midi-region)
 - (audio port)
 - (audio position)
 - (audio supported-file)
 - (audio track)
 - (audio track-processor)
 - (audio tracklist)
 - (plugins plugin)
 - (plugins plugin-manager)
 - (project)
 - (zrythm)