The top row of the Audio Editor contains the names of all your tracks; the one on the left is normally Name 5 (unless you have renamed it), and it contains your media clip.
To add or remove a track to/from the Audio Editor
Click once on the speaker icon column.
The track name appears or disappears in the Audio Editor (Figure 7.10).
Figure 7.10. Adding a track by clicking in the speaker column.
Tip
To select all tracks, right-click the small speaker at the top of the column and select Audio Playback On (Figure 7.11).