Bandcamp - Discover amazing music and directly support the artists who make it.
SoundCloud - Enjoy music & follow favourite artists
cmd.fm - Command-line radio for geeks
Pandora - Pandora Radio is a free (ad-supported) internet radio founded in 2000.
Palco MP3 - Palco MP3 is the largest Brazilian application for independent artists and offers more than 1 million songs for you to listen and download on your mobile device.
Spotify - Map shows when two people play same song at same time