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Overview of Edit mode in MainStage
Edit mode is where you add, edit, and manage patches to create your custom sounds and organize them in your concert. Tasks you can perform in Edit mode include the following:
Edit patch attributes, including time signature, tempo, tuning, and others
Patches are the individual sounds you play using your MIDI controller and the effects setups you use with your microphone, electric guitar, or other instrument. MainStage patches can contain one or more channel strips, each with a different instrument or effects setup.
If MainStage is in Layout or Perform mode, you first switch to Edit mode to begin working.
Switch to Edit mode
Click the Edit button in the top-left corner of the MainStage window (or press Command-2).