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Cutting on the timeline

Drag files from the Project panel onto the timeline. The tools are on the timeline’s left edge:

  • Selection (V), Track Select (A, ⇧A backwards), Ripple Edit (B), Rolling Edit (N), Rate Stretch (R), Razor (C), Slip (Y), Slide (U), Pen (P), Hand (H), Zoom (Z) and Type (T).
  • Add Edit (⌘B) cuts the clips under the playhead. Lift (;) and Extract (’) remove the marked range, leaving a gap or closing it.
  • Mark In (I) and Out (O) on the Program monitor to set the range you work on and export.
  • Markers (M) sit in the source, so agents see them too.
  • History lists every change; every app action is one undo step (⌘Z).

Anything you change in the editor is written back to the project’s source, and anything an agent writes appears in the editor.