How to change sound volume in your clip
1)When you have your multitrack file open in sound booth it should look like this:
2)To play with the sound volume you use the light blue line that goes through the green box.
3)When you click on the blue line a yellow diamond will appear:
4)By dragging the yellow diamond around, you can move the sound of the whole line
5)However, if you want to change the volume of one particular section of sound, you have to click the blue line again. When you click on it again, another diamond will appear:
6)When you click on and drag the second diamond, it will move whatever is behind it behind it: