Answers: if you're looking for a free one i similar to audacity!
i asked a singer from myspace what he uses to create the profressional CD nouns, he said he uses editpro i think
Garage Band or Logic Pro Studio for Mac would be the best you can catch
http://www.apple.com/logicstudio/
, -OR-
For PC here is Audacity, Goldwave or Pro Tools from Avid systems
http://www.avid.com/products/xpressStudi...