Plug.dj - With the world constantly at war with itself, and with barriers being put into place between people, it sometimes seems as though there is nothing that can unify the human species. Read more about Plug.dj.
Spotify - Map shows when two people play same song at same time
Iomoio - Iomoio is an all-in-one music solution that allows you to play and download the world’s best music tracks.
Last.fm - The world's largest online music service. Listen online, find out more about your favourite artists, and get music recommendations, only at Last.fm
Jamendo - Jamendo app is a free Android music player that allows you to download and listen to music legally for free on your mobile device.
SoundCloud - Enjoy music & follow favourite artists