Using a music recommender system called Audioscrobbler, Last.fm builds a detailed profile of each user's musical taste by recording details of the tracks the user listens to.
You can access the Last.fm service here: Last.fm
Playlists and favorites transfer
Want to import your music collection to Last.fm? Or maybe you want to move from Last.fm to another music service? You can follow these tutorials to move your playlists and favorite tracks, artists, and albums with Last.fm through Soundiiz!