Music-Services and Music-Databases on the Internet -- Articles (with WEBLINKS) on Wikipedia
Comparison of on-demand streaming music services http://en.wikipedia.org/wiki/Comparison_of_on-demand_streaming_music_services
List of online music databases http://en.wikipedia.org/wiki/List_of_online_music_databases
Category:Streaming music services http://en.wikipedia.org/wiki/Category:Streaming_music_services
Open music http://en.wikipedia.org/wiki/Open_music
Open Music Model http://en.wikipedia.org/wiki/Open_Music_Model