Add clips to your movie in iMovie on Mac - Apple Support

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Add songs and other audio files to your iMovie project - Apple Support (CA)

Add clips to your movie in iMovie on Mac - Apple Support (CA)

crop button not showing up in movie - Apple Community

Create a picture-in-picture effect in iMovie on Mac - Apple Support

Add audio from a video clip in iMovie on Mac - Apple Support (ME)

Add titles and audio to Magic Movie and storyboard clips in iMovie on iPad - Apple Support (CA)

IMPORTING VIDEOS into iMOVIE on your MAC! - Guide to GETTING STARTED!

Organize media and events in iMovie on Mac - Apple Support