research 'how artists engage with their fans'

http://www.relenet.com/social_network_music_fans.html

http://moblogsmoproblems.blogspot.com/2007/04/music-artists-and-their-fans-are-part.html

http://www.musicrow.com/2010/05/artists-engage-fans-with-contests-websites-freebies-and-more/

http://software.einnews.com/pr-news/375584-more-than-100-million-fans-directly-engaging-with-musicians-through-fanbridge-platform-