Apple Final Cut Pro 7 - Manual (Page 50)

50 Chapter 2 Bringing Media into Your System
Import audio files into a project:
Choose File > Import > Files. Select the audio files you want to import and click Choose.
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The audio files appear as clips represented by a speaker icon in the Browser. To place
an audio clip in the Timeline, drag the audio clip from the Browser down to the audio
tracks in the Timeline. Experiment with editing the audio clip using the same methods
you use for editing video clips.
Although Final Cut Pro cannot import MP3 or MP4 audio files directly from your
iTunes Library, you can export audio files from iTunes as AIFF files and import them
into Final Cut Pro.
Drag the audio clip...
...into the sequence
in the Timeline.