See http://www.gnutellaforums.com/showth...threadid=31072

Are you talking about sharing the library via LW or iTunes. The latter I know nothing about. I think you need to go to iTunes Preferences>Sharing & tick the option for Sharing my music.

Does this answer you question?

PS: This tutorial might also help I'm not sure: http://www.apple.com/support/itunes/tutorial/index.html