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Write against another track

Open a MIDI clip with ⌥↓, click the Reference track chip (two stacked layers) in the focus bar and pick a track, such as the bass while you write the chords. Its notes appear dimmed behind the roll, in that track’s color.

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More actions

  • Put it away: pick the chosen track again, or None.

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Good to know

  • The reference track is never edited. Its notes cannot be clicked, and it stays chosen as you move between clips.
  • The menu lists every visible track with MIDI clips, except the one you are editing; tracks inside a collapsed group are left out. With no such track the chip is hidden.
  • Reference notes keep their own timing and their track’s groove, and are not cut at the edges of the open clip.
  • The choice lasts for this session only and has no palette command.
Last modified on October 23, 2026