• Add to Playlist, alert me if I already have that song in it
• Automatically Remove Duplicate Songs in a Playlist
• Create a way to tell if I've already listened to a song
• Identify which song I have already clicked on
• Add Key as a visible piece of information to My Project song Lists
• Go to Artist page when clicking their name in the play-bar.
• Show similar songs on Favorites list
• Filter out results that I've listened to at least once before
• Following feed / playlist
• Visual button for songs you want to rule out, similar to the heart button