How to use the piano roll editor in Logic Pro

Master the Piano Roll Editor in Logic Pro for precise MIDI editing. Learn to create, adjust, and refine your musical performances visually.

MIDI & Instruments · beginner level

Steps

  1. Open the Piano Roll Editor

    Double-click a MIDI region in the Tracks area. The Piano Roll Editor will open in the lower zone of Logic Pro, displaying the MIDI notes as bars.

  2. Navigate and Zoom

    Use the scroll bars or the horizontal/vertical zoom sliders at the bottom and right of the Piano Roll to navigate.

  3. Add and Delete Notes

    To add a new note, select the Pencil tool (or press 'T' then 'P') and click in the grid where you want the note. To delete a note, select it with the Pointer tool and press 'Delete' on your keyboard.

  4. Adjust Note Properties

    With the Pointer tool, click and drag the ends of a note to change its length. Drag the note vertically to change its pitch. Drag the note horizontally to change its position in time.

  5. Quantize Notes

    Select one or more notes. In the Piano Roll Inspector on the left, use the 'Quantize' dropdown menu to select a rhythmic value to align notes to the grid precisely.

  6. Use Tools

    Access various tools like Pointer, Pencil, Eraser, Velocity, Mute, and Brush by pressing 'T' on your keyboard and selecting from the floating tool palette.

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