Logic Pro for iPad 2.1
Undo and redo edits in Logic Pro for iPad
In Logic Pro, you can undo one or more edit operations, and redo undone edits.
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In Logic Pro, you can undo one or more edit operations, and redo undone edits.
In Logic Pro, tap the Undo button 
in the control bar. Each additional tap of the Undo button undoes the previous edit.
In Logic Pro, touch and hold the Undo button in the control bar, then tap the Redo command that appears below the button.
By default, you use the Undo button to both undo and redo edits. You can also show a separate Redo button in the control bar and use it to redo edits.
In Logic Pro, tap the More button 
in the control bar, then tap Customize Control Bar.
Tap Modes, then tap the Redo switch.
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