Hi Maivina,
You may want to look here.
http://audacity.sourceforge.net/manual-1.2/menu_effects.html
Sadly, Sonia is no longer on-line to help us.

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> sonia how do you use audacity to fade out a song I downloaded it now what?
Echo S - 25 Oct 2006 14:29 GMT
Geetesh also has a nice tutorial using Sound Forge. But the process is so
similar, it should be easy to read it and then know what you need to do in
Audacity.

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> Hi Maivina,
>
[quoted text clipped - 5 lines]
>> sonia how do you use audacity to fade out a song I downloaded it now
>> what?