Ex Falso is a very useful software which allows you to manage your mp3 collections with just few clicks. When saving my CDs on my hard disk, I convert them into mp3 files and then I change their metadata order (or simply I add some more information) using Ex Falso. This software is very simple to install (in Ubuntu, for example, you can add it directly from the "Add/Remove" function contained in the Application menu) and very easy to use. Ex Falso is graphically divided in three main areas: Folders, Songs and a menu area where you directly decide what and how to change your metadatas. After few tests you will able to rapidly use Ex Falso and (we hope) enjoy all its features. Strongly recommended for all that people who have big mp3 collections!