Useful links that I have found containing some interesting information about my topic.

http://www.guardian.co.uk/music/musicblog/2009/aug/20/artists-albums-leaked

http://www.guardian.co.uk/business/2009/sep/06/internet-suspension-downloaders-law

http://www.guardian.co.uk/commentisfree/2009/aug/25/filesharers-music-internet-industry

http://www.independent.co.uk/life-style/gadgets-and-tech/news/kazaa-file-share-case-goes-to-court-1763533.html
http://www.musicthinktank.com/blog/a-buyers-market-the-way-we-purchase-online-music.html