Replace Napster playlist tracks automatically on a 8Tracks playlist
Napster is a digital music streaming service developed by Rhapsody that gives you access to 40 million songs globally in every possible genre.
8tracks.com is a radio and social networking service revolving around the concept of streaming user-curated playlists consisting of at least 8 tracks.
Soundiiz is the most complete online tool to manage your music library between multiple services. It offers a simple way to import and export playlists and favorites tracks, artists, and albums.