Undo & Redo

NoteHound tracks every change you make in the piano roll so you can step backwards and forwards through your editing history. The history stack supports up to 50 actions.

Using Undo and Redo

The Undo and Redo buttons live in the piano roll toolbar:

• Tap Undo to reverse the last action
• Tap Redo to reapply an action you’ve undone
• Both buttons can be tapped repeatedly to move through multiple steps
• Three-finger swipe (iOS gesture) also triggers undo/redo

What Can Be Undone

Every meaningful edit is stored as a separate step in the history:

• Creating notes — placing a note with the pen tool
• Deleting notes — erasing individual notes or a selection
• Moving notes — dragging a note or selection to a new position
• Resizing notes — changing a note’s duration by dragging its edge
• Transposing notes — shifting pitch up or down
• Pasting notes — inserting a copied selection
• Importing MIDI — loading a MIDI file into the piano roll

Each of these operations is captured as a single command. Undoing a MIDI import, for example, removes all the notes that were added in that import in one step.

Tip: If you make a series of edits and then change your mind, undo all the way back to a clean state rather than trying to delete or move notes manually — it’s much faster.