Revamp the smart playlists UI
Submitted by Allan Day
Music has manual playlists, which the user can add and remove tracks from. It would be really great if there could also be smart playlists which are automatically populated. These could include playlists for most played tracks, a "discovery" playlist (which would play you things you haven't played before, or haven't played in a while), and playlists for different genres.
There are wireframes for this feature here:
And there's also a high resolution mockup: