MainStage Copy, paste, and delete patches
You can copy, paste, and duplicate patches in the Patch List using the standard OS X menu and key commands or by Option-dragging. When you paste or duplicate a patch, it includes any mappings made to parameters in the original patch. You can also delete a patch if you no longer want to use it in the concert.
Copy a patch
Select the patch in the Patch List.
Choose Edit > Copy (or press Command-C).
Paste a patch
After copying a patch, choose Edit > Paste (or press Command-V).
Delete a patch
Select the patch in the Patch List.
Choose Edit > Delete (or press the Delete key).