... of the program is simple: a device (USB / CD / folder) is scanned, the tree is reconstructed recursively with all the folders and files and all informations are stored in a SQlite DB. Now you can unplug the device and assign a category or a comment to each file or folder. You can perform searches by entering the song title, artist, filename and the program tells you on which device the file is. Moreover categorizing the various files and folders you can put everything according to logical group