DJ2000 is unique Library Management System fully supports removable media so you can maintain a Master List of your MP3 collection at all times, even if the CD or other removable device containing part of your MP3 collection is not present at the time. And if you move MP3s on your hard drive, the Library Management System updates your DJ2000 database automatically. DJ2000 provides six view and play modes. There is even a Party Mode which allows guests to search through and select songs (MP3s) from the Master List and add them to the Play List while protecting the owner's system settings, preferences, and database. Additional features like the Top 100 list and MP3 file search make DJ2000 the ultimate MP3 player and collection utility.