Lot's of people out there want to do the above^.
You don't need any 3rd Part software now.
All you need is this link. Follow the instructions!
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At times^ doesn't work. AT TIMES.
Downloading Audio or Video off Youtube is shaky ground at the moment, so any and all links to software aimed at doing this will have to be deleted.
Sorry guys, but please think on before you post this stuff.