Soundiiz - Transferring playlists between various music streaming platforms.
Spotify - Map shows when two people play same song at same time
Tune My Music - Transfer Playlists Between Music Services
SoundCloud - Enjoy music & follow favourite artists
FreeYourMusic - Migrate from and to any music services
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