You can customize the MainStage window to suit your way of working. In Edit mode, you can show or hide the inspectors, the Channel Strips area, or the workspace. You can also show or hide all open plug-in windows.
Choose View > Hide Inspectors (or press Command-5).
To show the inspectors when they are hidden, choose View > Show Inspectors (or press Command-5 again).
Choose View > Hide Channel Strips (or press Command-6).
To show the Channel Strips area when it is hidden, choose View > Show Channel Strips (or press Command-6 again).
Choose View > Hide Workspace (or press Command-7).
To show the workspace when it is hidden, choose View > Show Workspace (or press Command-7 again).
Choose View > Hide Plug-Ins (or press V).
To show the plug-in windows when they are hidden, choose View > Show Plug-Ins (or press V again).
To switch to the Assign & Map tab: choose View > Select Assign & Map tab.
To switch to the Workspace tab: choose View > Select Workspace tab.