TuneUps was designed for the mp3 music collecting enthusiast. TuneUps provides several unique features that makes organizing and maintaining a collection of mp3 files more enjoyable. With TuneUps you can always tell which mp3 files you played before and how well you liked each song by attaching an icon to it. TuneUps then lets you find the songs you’ve rated best so you may play them back the way you like.