The second is a link to a "List of projects using Creative Commons licenses". This is a list of CC-licensed projects in several media like journalism, cartography, movies, news, music, ... It's a wiki, so you can add your own contribution.
The last link is a blog about netlabels: XpRm.NeT "a company of enthusiasts, who likes a wide range of electronic experimental music, from experimental techno to noise, idm and hardcore." All CC licensed.