MusicTwin Finder - Find your MusicTwin by your Spotify playlists in 5 seconds.
HotMusic - HotMusic is the best music service to discover songs from your favourite genres RIGHT AFTER their...
Playlist Machinery - Tools that help you create & organize your Spotify playlists
Spotify - Map shows when two people play same song at same time
PlaylistMap - Connect with Spotify playlist curators from around the world
Boom for iOS - A music player for your iPhone with magical 3D sound