^you can do it that way... or just
go to transistions > auido tranisitions > power gain or whatever its called and drag it onto the end of the audio clip that you want to make fade out.
I eat broccoli for breakfast and smoke my trees
turn on the flat screen to C-Span
"you may be able to pay lots of money to become good at skiing, but you'll always be a douchebag" -thisAngelicRage