Adjusting audio volume

1. Choose Window > Workspace > Reset Current Workspace
2. Delete the audio clips in the Timeline.
3. Right-click an audio track header --> select Delete Tracks --> select Delete Audio Tracks --> click OK.
4. Drag Music Stereo.wav from the Project panel to the Audio 1 track.
5. Expand the track view by clicking the Collapse-Expand Track triangle.
6. Click the Show Keyframes button --> choose Show Clip Keyframes
7. Try to drag the yellow line between the left and right channels up and down.
8. Ctrl-click the volume level graph in 4 places evenly spaced along the yellow line.
9. Drag the 1st and last keyframes all the way to the left and right, respectively, to place those keyframes on the 1st and last frames of the clip.
10. Drag the 2nd and 3rd keyframes left and right, respectively, to about 2 seconds from the beginning and 2 seconds from the end.
11. Drag the start and end keyframes all the way to the bottom ot the clip view to create a fade-up and a fade-out.
12. Play the beginning and end of the clip to see how this works.
13. Right-click the 2nd and 3rd keyframes, and choose Ease In and Ease Out, respectively.