Spotify

[nnnik]

Spotify is a commercial music streaming service providing digital rights management-restricted content from record labels including Sony, EMI, Warner Music Group and Universal. Launched in October 2008 by Swedish startup Spotify AB, the service had approximately 10 million users as of 15 September 2010, about 2.5 million of whom were paying users.

Spotify is a good music program you can:

1. Listen to music
2. Share it
3. Make playlists n stuff like this
4. ...........

You dont need to pay anything
The interesting thing for us developers (pirates ) is the Spotify API:
Spotify Develoers Home